Add UPnP support (port forwarding, querying external IP)

41 files changed, 8464 insertions, 0 deletions

diff --git a/thirdparty/miniupnpc/LICENSE b/thirdparty/miniupnpc/LICENSE
new file mode 100644
index 0000000000..0816733704
--- /dev/null
+++ b/thirdparty/miniupnpc/LICENSE
@@ -0,0 +1,27 @@
+MiniUPnPc
+Copyright (c) 2005-2016, Thomas BERNARD
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimer in the documentation
+      and/or other materials provided with the distribution.
+    * The name of the author may not be used to endorse or promote products
+	  derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
diff --git a/thirdparty/miniupnpc/codelength.h b/thirdparty/miniupnpc/codelength.h
new file mode 100644
index 0000000000..ea0b005ffe
--- /dev/null
+++ b/thirdparty/miniupnpc/codelength.h
@@ -0,0 +1,54 @@
+/* $Id: codelength.h,v 1.3 2011/07/30 13:10:05 nanard Exp $ */
+/* Project : miniupnp
+ * Author : Thomas BERNARD
+ * copyright (c) 2005-2015 Thomas Bernard
+ * This software is subjet to the conditions detailed in the
+ * provided LICENCE file. */
+#ifndef CODELENGTH_H_INCLUDED
+#define CODELENGTH_H_INCLUDED
+
+/* Encode length by using 7bit per Byte :
+ * Most significant bit of each byte specifies that the
+ * following byte is part of the code */
+
+/* n : unsigned
+ * p : unsigned char *
+ */
+#define DECODELENGTH(n, p) n = 0; \
+                           do { n = (n << 7) | (*p & 0x7f); } \
+                           while((*(p++)&0x80) && (n<(1<<25)));
+
+/* n :    unsigned
+ * READ : function/macro to read one byte (unsigned char)
+ */
+#define DECODELENGTH_READ(n, READ) \
+	n = 0; \
+	do { \
+		unsigned char c; \
+		READ(c); \
+		n = (n << 7) | (c & 0x07f); \
+		if(!(c&0x80)) break; \
+	} while(n<(1<<25));
+
+/* n :       unsigned
+ * p :       unsigned char *
+ * p_limit : unsigned char *
+ */
+#define DECODELENGTH_CHECKLIMIT(n, p, p_limit) \
+	n = 0; \
+	do { \
+		if((p) >= (p_limit)) break; \
+		n = (n << 7) | (*(p) & 0x7f); \
+	} while((*((p)++)&0x80) && (n<(1<<25)));
+
+
+/* n : unsigned
+ * p : unsigned char *
+ */
+#define CODELENGTH(n, p) if(n>=268435456) *(p++) = (n >> 28) | 0x80; \
+                         if(n>=2097152) *(p++) = (n >> 21) | 0x80; \
+                         if(n>=16384) *(p++) = (n >> 14) | 0x80; \
+                         if(n>=128) *(p++) = (n >> 7) | 0x80; \
+                         *(p++) = n & 0x7f;
+
+#endif /* CODELENGTH_H_INCLUDED */
diff --git a/thirdparty/miniupnpc/connecthostport.c b/thirdparty/miniupnpc/connecthostport.c
new file mode 100644
index 0000000000..ea6e4e5943
--- /dev/null
+++ b/thirdparty/miniupnpc/connecthostport.c
@@ -0,0 +1,264 @@
+/* $Id: connecthostport.c,v 1.15 2015/10/09 16:26:19 nanard Exp $ */
+/* vim: tabstop=4 shiftwidth=4 noexpandtab
+ * Project : miniupnp
+ * Author : Thomas Bernard
+ * Copyright (c) 2010-2018 Thomas Bernard
+ * This software is subject to the conditions detailed in the
+ * LICENCE file provided in this distribution. */
+
+/* use getaddrinfo() or gethostbyname()
+ * uncomment the following line in order to use gethostbyname() */
+#ifdef NO_GETADDRINFO
+#define USE_GETHOSTBYNAME
+#endif
+
+#include <string.h>
+#include <stdio.h>
+#ifdef _WIN32
+#include <winsock2.h>
+#include <ws2tcpip.h>
+#include <io.h>
+#define MAXHOSTNAMELEN 64
+#define snprintf _snprintf
+#define herror
+#define socklen_t int
+#else /* #ifdef _WIN32 */
+#include <unistd.h>
+#include <sys/types.h>
+#ifdef MINIUPNPC_SET_SOCKET_TIMEOUT
+#include <sys/time.h>
+#endif /* #ifdef MINIUPNPC_SET_SOCKET_TIMEOUT */
+#include <sys/param.h>
+#include <sys/select.h>
+#include <errno.h>
+#define closesocket close
+#include <netdb.h>
+#include <netinet/in.h>
+/* defining MINIUPNPC_IGNORE_EINTR enable the ignore of interruptions
+ * during the connect() call */
+#define MINIUPNPC_IGNORE_EINTR
+#include <sys/socket.h>
+#include <sys/select.h>
+#endif /* #else _WIN32 */
+
+/* definition of PRINT_SOCKET_ERROR */
+#ifdef _WIN32
+#define PRINT_SOCKET_ERROR(x)    fprintf(stderr, "Socket error: %s, %d\n", x, WSAGetLastError());
+#else
+#define PRINT_SOCKET_ERROR(x) perror(x)
+#endif
+
+#if defined(__amigaos__) || defined(__amigaos4__)
+#define herror(A) printf("%s\n", A)
+#endif
+
+#include "connecthostport.h"
+
+#ifndef MAXHOSTNAMELEN
+#define MAXHOSTNAMELEN 64
+#endif
+
+/* connecthostport()
+ * return a socket connected (TCP) to the host and port
+ * or -1 in case of error */
+SOCKET connecthostport(const char * host, unsigned short port,
+                       unsigned int scope_id)
+{
+	SOCKET s;
+	int n;
+#ifdef USE_GETHOSTBYNAME
+	struct sockaddr_in dest;
+	struct hostent *hp;
+#else /* #ifdef USE_GETHOSTBYNAME */
+	char tmp_host[MAXHOSTNAMELEN+1];
+	char port_str[8];
+	struct addrinfo *ai, *p;
+	struct addrinfo hints;
+#endif /* #ifdef USE_GETHOSTBYNAME */
+#ifdef MINIUPNPC_SET_SOCKET_TIMEOUT
+	struct timeval timeout;
+#endif /* #ifdef MINIUPNPC_SET_SOCKET_TIMEOUT */
+
+#ifdef USE_GETHOSTBYNAME
+	hp = gethostbyname(host);
+	if(hp == NULL)
+	{
+		herror(host);
+		return INVALID_SOCKET;
+	}
+	memcpy(&dest.sin_addr, hp->h_addr, sizeof(dest.sin_addr));
+	memset(dest.sin_zero, 0, sizeof(dest.sin_zero));
+	s = socket(PF_INET, SOCK_STREAM, 0);
+	if(ISINVALID(s))
+	{
+		PRINT_SOCKET_ERROR("socket");
+		return INVALID_SOCKET;
+	}
+#ifdef MINIUPNPC_SET_SOCKET_TIMEOUT
+	/* setting a 3 seconds timeout for the connect() call */
+	timeout.tv_sec = 3;
+	timeout.tv_usec = 0;
+	if(setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof(struct timeval)) < 0)
+	{
+		PRINT_SOCKET_ERROR("setsockopt SO_RCVTIMEO");
+	}
+	timeout.tv_sec = 3;
+	timeout.tv_usec = 0;
+	if(setsockopt(s, SOL_SOCKET, SO_SNDTIMEO, &timeout, sizeof(struct timeval)) < 0)
+	{
+		PRINT_SOCKET_ERROR("setsockopt SO_SNDTIMEO");
+	}
+#endif /* #ifdef MINIUPNPC_SET_SOCKET_TIMEOUT */
+	dest.sin_family = AF_INET;
+	dest.sin_port = htons(port);
+	n = connect(s, (struct sockaddr *)&dest, sizeof(struct sockaddr_in));
+#ifdef MINIUPNPC_IGNORE_EINTR
+	/* EINTR The system call was interrupted by a signal that was caught
+	 * EINPROGRESS The socket is nonblocking and the connection cannot
+	 *             be completed immediately. */
+	while(n < 0 && (errno == EINTR || errno == EINPROGRESS))
+	{
+		socklen_t len;
+		fd_set wset;
+		int err;
+		FD_ZERO(&wset);
+		FD_SET(s, &wset);
+		if((n = select(s + 1, NULL, &wset, NULL, NULL)) == -1 && errno == EINTR)
+			continue;
+		/*len = 0;*/
+		/*n = getpeername(s, NULL, &len);*/
+		len = sizeof(err);
+		if(getsockopt(s, SOL_SOCKET, SO_ERROR, &err, &len) < 0) {
+			PRINT_SOCKET_ERROR("getsockopt");
+			closesocket(s);
+			return INVALID_SOCKET;
+		}
+		if(err != 0) {
+			errno = err;
+			n = -1;
+		}
+	}
+#endif /* #ifdef MINIUPNPC_IGNORE_EINTR */
+	if(n<0)
+	{
+		PRINT_SOCKET_ERROR("connect");
+		closesocket(s);
+		return INVALID_SOCKET;
+	}
+#else /* #ifdef USE_GETHOSTBYNAME */
+	/* use getaddrinfo() instead of gethostbyname() */
+	memset(&hints, 0, sizeof(hints));
+	/* hints.ai_flags = AI_ADDRCONFIG; */
+#ifdef AI_NUMERICSERV
+	hints.ai_flags = AI_NUMERICSERV;
+#endif
+	hints.ai_socktype = SOCK_STREAM;
+	hints.ai_family = AF_UNSPEC; /* AF_INET, AF_INET6 or AF_UNSPEC */
+	/* hints.ai_protocol = IPPROTO_TCP; */
+	snprintf(port_str, sizeof(port_str), "%hu", port);
+	if(host[0] == '[')
+	{
+		/* literal ip v6 address */
+		int i, j;
+		for(i = 0, j = 1; host[j] && (host[j] != ']') && i < MAXHOSTNAMELEN; i++, j++)
+		{
+			tmp_host[i] = host[j];
+			if(0 == memcmp(host+j, "%25", 3))	/* %25 is just url encoding for '%' */
+				j+=2;							/* skip "25" */
+		}
+		tmp_host[i] = '\0';
+	}
+	else
+	{
+		strncpy(tmp_host, host, MAXHOSTNAMELEN);
+	}
+	tmp_host[MAXHOSTNAMELEN] = '\0';
+	n = getaddrinfo(tmp_host, port_str, &hints, &ai);
+	if(n != 0)
+	{
+#ifdef _WIN32
+		fprintf(stderr, "getaddrinfo() error : %d\n", n);
+#else
+		fprintf(stderr, "getaddrinfo() error : %s\n", gai_strerror(n));
+#endif
+		return INVALID_SOCKET;
+	}
+	s = -1;
+	for(p = ai; p; p = p->ai_next)
+	{
+		s = socket(p->ai_family, p->ai_socktype, p->ai_protocol);
+		if(ISINVALID(s))
+			continue;
+		if(p->ai_addr->sa_family == AF_INET6 && scope_id > 0) {
+			struct sockaddr_in6 * addr6 = (struct sockaddr_in6 *)p->ai_addr;
+			addr6->sin6_scope_id = scope_id;
+		}
+#ifdef MINIUPNPC_SET_SOCKET_TIMEOUT
+		/* setting a 3 seconds timeout for the connect() call */
+		timeout.tv_sec = 3;
+		timeout.tv_usec = 0;
+		if(setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof(struct timeval)) < 0)
+		{
+			PRINT_SOCKET_ERROR("setsockopt");
+		}
+		timeout.tv_sec = 3;
+		timeout.tv_usec = 0;
+		if(setsockopt(s, SOL_SOCKET, SO_SNDTIMEO, &timeout, sizeof(struct timeval)) < 0)
+		{
+			PRINT_SOCKET_ERROR("setsockopt");
+		}
+#endif /* #ifdef MINIUPNPC_SET_SOCKET_TIMEOUT */
+		n = connect(s, p->ai_addr, p->ai_addrlen);
+#ifdef MINIUPNPC_IGNORE_EINTR
+		/* EINTR The system call was interrupted by a signal that was caught
+		 * EINPROGRESS The socket is nonblocking and the connection cannot
+		 *             be completed immediately. */
+		while(n < 0 && (errno == EINTR || errno == EINPROGRESS))
+		{
+			socklen_t len;
+			fd_set wset;
+			int err;
+			FD_ZERO(&wset);
+			FD_SET(s, &wset);
+			if((n = select(s + 1, NULL, &wset, NULL, NULL)) == -1 && errno == EINTR)
+				continue;
+			/*len = 0;*/
+			/*n = getpeername(s, NULL, &len);*/
+			len = sizeof(err);
+			if(getsockopt(s, SOL_SOCKET, SO_ERROR, &err, &len) < 0) {
+				PRINT_SOCKET_ERROR("getsockopt");
+				closesocket(s);
+				freeaddrinfo(ai);
+				return INVALID_SOCKET;
+			}
+			if(err != 0) {
+				errno = err;
+				n = -1;
+			}
+		}
+#endif /* #ifdef MINIUPNPC_IGNORE_EINTR */
+		if(n < 0)
+		{
+			closesocket(s);
+			continue;
+		}
+		else
+		{
+			break;
+		}
+	}
+	freeaddrinfo(ai);
+	if(ISINVALID(s))
+	{
+		PRINT_SOCKET_ERROR("socket");
+		return INVALID_SOCKET;
+	}
+	if(n < 0)
+	{
+		PRINT_SOCKET_ERROR("connect");
+		return INVALID_SOCKET;
+	}
+#endif /* #ifdef USE_GETHOSTBYNAME */
+	return s;
+}
+
diff --git a/thirdparty/miniupnpc/connecthostport.h b/thirdparty/miniupnpc/connecthostport.h
new file mode 100644
index 0000000000..701816b5b6
--- /dev/null
+++ b/thirdparty/miniupnpc/connecthostport.h
@@ -0,0 +1,20 @@
+/* $Id: connecthostport.h,v 1.2 2012/06/23 22:32:33 nanard Exp $ */
+/* Project: miniupnp
+ * http://miniupnp.free.fr/
+ * Author: Thomas Bernard
+ * Copyright (c) 2010-2018 Thomas Bernard
+ * This software is subjects to the conditions detailed
+ * in the LICENCE file provided within this distribution */
+#ifndef CONNECTHOSTPORT_H_INCLUDED
+#define CONNECTHOSTPORT_H_INCLUDED
+
+#include "miniupnpc_socketdef.h"
+
+/* connecthostport()
+ * return a socket connected (TCP) to the host and port
+ * or INVALID_SOCKET in case of error */
+SOCKET connecthostport(const char * host, unsigned short port,
+                       unsigned int scope_id);
+
+#endif
+
diff --git a/thirdparty/miniupnpc/igd_desc_parse.c b/thirdparty/miniupnpc/igd_desc_parse.c
new file mode 100644
index 0000000000..d2999ad011
--- /dev/null
+++ b/thirdparty/miniupnpc/igd_desc_parse.c
@@ -0,0 +1,123 @@
+/* $Id: igd_desc_parse.c,v 1.17 2015/09/15 13:30:04 nanard Exp $ */
+/* Project : miniupnp
+ * http://miniupnp.free.fr/
+ * Author : Thomas Bernard
+ * Copyright (c) 2005-2015 Thomas Bernard
+ * This software is subject to the conditions detailed in the
+ * LICENCE file provided in this distribution. */
+
+#include "igd_desc_parse.h"
+#include <stdio.h>
+#include <string.h>
+
+/* Start element handler :
+ * update nesting level counter and copy element name */
+void IGDstartelt(void * d, const char * name, int l)
+{
+	struct IGDdatas * datas = (struct IGDdatas *)d;
+	if(l >= MINIUPNPC_URL_MAXSIZE)
+		l = MINIUPNPC_URL_MAXSIZE-1;
+	memcpy(datas->cureltname, name, l);
+	datas->cureltname[l] = '\0';
+	datas->level++;
+	if( (l==7) && !memcmp(name, "service", l) ) {
+		datas->tmp.controlurl[0] = '\0';
+		datas->tmp.eventsuburl[0] = '\0';
+		datas->tmp.scpdurl[0] = '\0';
+		datas->tmp.servicetype[0] = '\0';
+	}
+}
+
+#define COMPARE(str, cstr) (0==memcmp(str, cstr, sizeof(cstr) - 1))
+
+/* End element handler :
+ * update nesting level counter and update parser state if
+ * service element is parsed */
+void IGDendelt(void * d, const char * name, int l)
+{
+	struct IGDdatas * datas = (struct IGDdatas *)d;
+	datas->level--;
+	/*printf("endelt %2d %.*s\n", datas->level, l, name);*/
+	if( (l==7) && !memcmp(name, "service", l) )
+	{
+		if(COMPARE(datas->tmp.servicetype,
+		           "urn:schemas-upnp-org:service:WANCommonInterfaceConfig:")) {
+			memcpy(&datas->CIF, &datas->tmp, sizeof(struct IGDdatas_service));
+		} else if(COMPARE(datas->tmp.servicetype,
+			                "urn:schemas-upnp-org:service:WANIPv6FirewallControl:")) {
+			memcpy(&datas->IPv6FC, &datas->tmp, sizeof(struct IGDdatas_service));
+		} else if(COMPARE(datas->tmp.servicetype,
+		                  "urn:schemas-upnp-org:service:WANIPConnection:")
+		         || COMPARE(datas->tmp.servicetype,
+		                    "urn:schemas-upnp-org:service:WANPPPConnection:") ) {
+			if(datas->first.servicetype[0] == '\0') {
+				memcpy(&datas->first, &datas->tmp, sizeof(struct IGDdatas_service));
+			} else {
+				memcpy(&datas->second, &datas->tmp, sizeof(struct IGDdatas_service));
+			}
+		}
+	}
+}
+
+/* Data handler :
+ * copy data depending on the current element name and state */
+void IGDdata(void * d, const char * data, int l)
+{
+	struct IGDdatas * datas = (struct IGDdatas *)d;
+	char * dstmember = 0;
+	/*printf("%2d %s : %.*s\n",
+           datas->level, datas->cureltname, l, data);	*/
+	if( !strcmp(datas->cureltname, "URLBase") )
+		dstmember = datas->urlbase;
+	else if( !strcmp(datas->cureltname, "presentationURL") )
+		dstmember = datas->presentationurl;
+	else if( !strcmp(datas->cureltname, "serviceType") )
+		dstmember = datas->tmp.servicetype;
+	else if( !strcmp(datas->cureltname, "controlURL") )
+		dstmember = datas->tmp.controlurl;
+	else if( !strcmp(datas->cureltname, "eventSubURL") )
+		dstmember = datas->tmp.eventsuburl;
+	else if( !strcmp(datas->cureltname, "SCPDURL") )
+		dstmember = datas->tmp.scpdurl;
+/*	else if( !strcmp(datas->cureltname, "deviceType") )
+		dstmember = datas->devicetype_tmp;*/
+	if(dstmember)
+	{
+		if(l>=MINIUPNPC_URL_MAXSIZE)
+			l = MINIUPNPC_URL_MAXSIZE-1;
+		memcpy(dstmember, data, l);
+		dstmember[l] = '\0';
+	}
+}
+
+#ifdef DEBUG
+void printIGD(struct IGDdatas * d)
+{
+	printf("urlbase = '%s'\n", d->urlbase);
+	printf("WAN Device (Common interface config) :\n");
+	/*printf(" deviceType = '%s'\n", d->CIF.devicetype);*/
+	printf(" serviceType = '%s'\n", d->CIF.servicetype);
+	printf(" controlURL = '%s'\n", d->CIF.controlurl);
+	printf(" eventSubURL = '%s'\n", d->CIF.eventsuburl);
+	printf(" SCPDURL = '%s'\n", d->CIF.scpdurl);
+	printf("primary WAN Connection Device (IP or PPP Connection):\n");
+	/*printf(" deviceType = '%s'\n", d->first.devicetype);*/
+	printf(" servicetype = '%s'\n", d->first.servicetype);
+	printf(" controlURL = '%s'\n", d->first.controlurl);
+	printf(" eventSubURL = '%s'\n", d->first.eventsuburl);
+	printf(" SCPDURL = '%s'\n", d->first.scpdurl);
+	printf("secondary WAN Connection Device (IP or PPP Connection):\n");
+	/*printf(" deviceType = '%s'\n", d->second.devicetype);*/
+	printf(" servicetype = '%s'\n", d->second.servicetype);
+	printf(" controlURL = '%s'\n", d->second.controlurl);
+	printf(" eventSubURL = '%s'\n", d->second.eventsuburl);
+	printf(" SCPDURL = '%s'\n", d->second.scpdurl);
+	printf("WAN IPv6 Firewall Control :\n");
+	/*printf(" deviceType = '%s'\n", d->IPv6FC.devicetype);*/
+	printf(" servicetype = '%s'\n", d->IPv6FC.servicetype);
+	printf(" controlURL = '%s'\n", d->IPv6FC.controlurl);
+	printf(" eventSubURL = '%s'\n", d->IPv6FC.eventsuburl);
+	printf(" SCPDURL = '%s'\n", d->IPv6FC.scpdurl);
+}
+#endif /* DEBUG */
+
diff --git a/thirdparty/miniupnpc/igd_desc_parse.h b/thirdparty/miniupnpc/igd_desc_parse.h
new file mode 100644
index 0000000000..0de546b697
--- /dev/null
+++ b/thirdparty/miniupnpc/igd_desc_parse.h
@@ -0,0 +1,49 @@
+/* $Id: igd_desc_parse.h,v 1.12 2014/11/17 17:19:13 nanard Exp $ */
+/* Project : miniupnp
+ * http://miniupnp.free.fr/
+ * Author : Thomas Bernard
+ * Copyright (c) 2005-2014 Thomas Bernard
+ * This software is subject to the conditions detailed in the
+ * LICENCE file provided in this distribution.
+ * */
+#ifndef IGD_DESC_PARSE_H_INCLUDED
+#define IGD_DESC_PARSE_H_INCLUDED
+
+/* Structure to store the result of the parsing of UPnP
+ * descriptions of Internet Gateway Devices */
+#define MINIUPNPC_URL_MAXSIZE (128)
+struct IGDdatas_service {
+	char controlurl[MINIUPNPC_URL_MAXSIZE];
+	char eventsuburl[MINIUPNPC_URL_MAXSIZE];
+	char scpdurl[MINIUPNPC_URL_MAXSIZE];
+	char servicetype[MINIUPNPC_URL_MAXSIZE];
+	/*char devicetype[MINIUPNPC_URL_MAXSIZE];*/
+};
+
+struct IGDdatas {
+	char cureltname[MINIUPNPC_URL_MAXSIZE];
+	char urlbase[MINIUPNPC_URL_MAXSIZE];
+	char presentationurl[MINIUPNPC_URL_MAXSIZE];
+	int level;
+	/*int state;*/
+	/* "urn:schemas-upnp-org:service:WANCommonInterfaceConfig:1" */
+	struct IGDdatas_service CIF;
+	/* "urn:schemas-upnp-org:service:WANIPConnection:1"
+	 * "urn:schemas-upnp-org:service:WANPPPConnection:1" */
+	struct IGDdatas_service first;
+	/* if both WANIPConnection and WANPPPConnection are present */
+	struct IGDdatas_service second;
+	/* "urn:schemas-upnp-org:service:WANIPv6FirewallControl:1" */
+	struct IGDdatas_service IPv6FC;
+	/* tmp */
+	struct IGDdatas_service tmp;
+};
+
+void IGDstartelt(void *, const char *, int);
+void IGDendelt(void *, const char *, int);
+void IGDdata(void *, const char *, int);
+#ifdef DEBUG
+void printIGD(struct IGDdatas *);
+#endif /* DEBUG */
+
+#endif /* IGD_DESC_PARSE_H_INCLUDED */
diff --git a/thirdparty/miniupnpc/listdevices.c b/thirdparty/miniupnpc/listdevices.c
new file mode 100644
index 0000000000..bd9ba57efc
--- /dev/null
+++ b/thirdparty/miniupnpc/listdevices.c
@@ -0,0 +1,197 @@
+/* $Id: listdevices.c,v 1.6 2015/07/23 20:40:08 nanard Exp $ */
+/* Project : miniupnp
+ * Author : Thomas Bernard
+ * Copyright (c) 2013-2015 Thomas Bernard
+ * This software is subject to the conditions detailed in the
+ * LICENCE file provided in this distribution. */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#ifdef _WIN32
+#include <winsock2.h>
+#endif /* _WIN32 */
+#include "miniupnpc.h"
+
+struct upnp_dev_list {
+	struct upnp_dev_list * next;
+	char * descURL;
+	struct UPNPDev * * array;
+	size_t count;
+	size_t allocated_count;
+};
+
+#define ADD_DEVICE_COUNT_STEP 16
+
+void add_device(struct upnp_dev_list * * list_head, struct UPNPDev * dev)
+{
+	struct upnp_dev_list * elt;
+	size_t i;
+
+	if(dev == NULL)
+		return;
+	for(elt = *list_head; elt != NULL; elt = elt->next) {
+		if(strcmp(elt->descURL, dev->descURL) == 0) {
+			for(i = 0; i < elt->count; i++) {
+				if (strcmp(elt->array[i]->st, dev->st) == 0 && strcmp(elt->array[i]->usn, dev->usn) == 0) {
+					return;	/* already found */
+				}
+			}
+			if(elt->count >= elt->allocated_count) {
+				struct UPNPDev * * tmp;
+				elt->allocated_count += ADD_DEVICE_COUNT_STEP;
+				tmp = realloc(elt->array, elt->allocated_count * sizeof(struct UPNPDev *));
+				if(tmp == NULL) {
+					fprintf(stderr, "Failed to realloc(%p, %lu)\n", elt->array, (unsigned long)(elt->allocated_count * sizeof(struct UPNPDev *)));
+					return;
+				}
+				elt->array = tmp;
+			}
+			elt->array[elt->count++] = dev;
+			return;
+		}
+	}
+	elt = malloc(sizeof(struct upnp_dev_list));
+	if(elt == NULL) {
+		fprintf(stderr, "Failed to malloc(%lu)\n", (unsigned long)sizeof(struct upnp_dev_list));
+		return;
+	}
+	elt->next = *list_head;
+	elt->descURL = strdup(dev->descURL);
+	if(elt->descURL == NULL) {
+		fprintf(stderr, "Failed to strdup(%s)\n", dev->descURL);
+		free(elt);
+		return;
+	}
+	elt->allocated_count = ADD_DEVICE_COUNT_STEP;
+	elt->array = malloc(ADD_DEVICE_COUNT_STEP * sizeof(struct UPNPDev *));
+	if(elt->array == NULL) {
+		fprintf(stderr, "Failed to malloc(%lu)\n", (unsigned long)(ADD_DEVICE_COUNT_STEP * sizeof(struct UPNPDev *)));
+		free(elt->descURL);
+		free(elt);
+		return;
+	}
+	elt->array[0] = dev;
+	elt->count = 1;
+	*list_head = elt;
+}
+
+void free_device(struct upnp_dev_list * elt)
+{
+	free(elt->descURL);
+	free(elt->array);
+	free(elt);
+}
+
+int main(int argc, char * * argv)
+{
+	const char * searched_device = NULL;
+	const char * * searched_devices = NULL;
+	const char * multicastif = 0;
+	const char * minissdpdpath = 0;
+	int ipv6 = 0;
+	unsigned char ttl = 2;
+	int error = 0;
+	struct UPNPDev * devlist = 0;
+	struct UPNPDev * dev;
+	struct upnp_dev_list * sorted_list = NULL;
+	struct upnp_dev_list * dev_array;
+	int i;
+
+#ifdef _WIN32
+	WSADATA wsaData;
+	int nResult = WSAStartup(MAKEWORD(2,2), &wsaData);
+	if(nResult != NO_ERROR)
+	{
+		fprintf(stderr, "WSAStartup() failed.\n");
+		return -1;
+	}
+#endif
+
+	for(i = 1; i < argc; i++) {
+		if(strcmp(argv[i], "-6") == 0)
+			ipv6 = 1;
+		else if(strcmp(argv[i], "-d") == 0) {
+			if(++i >= argc) {
+				fprintf(stderr, "%s option needs one argument\n", "-d");
+				return 1;
+			}
+			searched_device = argv[i];
+		} else if(strcmp(argv[i], "-t") == 0) {
+			if(++i >= argc) {
+				fprintf(stderr, "%s option needs one argument\n", "-t");
+				return 1;
+			}
+			ttl = (unsigned char)atoi(argv[i]);
+		} else if(strcmp(argv[i], "-l") == 0) {
+			if(++i >= argc) {
+				fprintf(stderr, "-l option needs at least one argument\n");
+				return 1;
+			}
+			searched_devices = (const char * *)(argv + i);
+			break;
+		} else if(strcmp(argv[i], "-m") == 0) {
+			if(++i >= argc) {
+				fprintf(stderr, "-m option needs one argument\n");
+				return 1;
+			}
+			multicastif = argv[i];
+		} else {
+			printf("usage : %s [options] [-l <device1> <device2> ...]\n", argv[0]);
+			printf("options :\n");
+			printf("   -6 : use IPv6\n");
+			printf("   -m address/ifname : network interface to use for multicast\n");
+			printf("   -d <device string> : search only for this type of device\n");
+			printf("   -l <device1> <device2> ... : search only for theses types of device\n");
+			printf("   -t ttl : set multicast TTL. Default value is 2.\n");
+			printf("   -h : this help\n");
+			return 1;
+		}
+	}
+
+	if(searched_device) {
+		printf("searching UPnP device type %s\n", searched_device);
+		devlist = upnpDiscoverDevice(searched_device,
+		                             2000, multicastif, minissdpdpath,
+		                             0/*localport*/, ipv6, ttl, &error);
+	} else if(searched_devices) {
+		printf("searching UPnP device types :\n");
+		for(i = 0; searched_devices[i]; i++)
+			printf("\t%s\n", searched_devices[i]);
+		devlist = upnpDiscoverDevices(searched_devices,
+		                              2000, multicastif, minissdpdpath,
+		                              0/*localport*/, ipv6, ttl, &error, 1);
+	} else {
+		printf("searching all UPnP devices\n");
+		devlist = upnpDiscoverAll(2000, multicastif, minissdpdpath,
+		                             0/*localport*/, ipv6, ttl, &error);
+	}
+	if(devlist) {
+		for(dev = devlist, i = 1; dev != NULL; dev = dev->pNext, i++) {
+			printf("%3d: %-48s\n", i, dev->st);
+			printf("     %s\n", dev->descURL);
+			printf("     %s\n", dev->usn);
+			add_device(&sorted_list, dev);
+		}
+		putchar('\n');
+		for (dev_array = sorted_list; dev_array != NULL ; dev_array = dev_array->next) {
+			printf("%s :\n", dev_array->descURL);
+			for(i = 0; (unsigned)i < dev_array->count; i++) {
+				printf("%2d: %s\n", i+1, dev_array->array[i]->st);
+				printf("    %s\n", dev_array->array[i]->usn);
+			}
+			putchar('\n');
+		}
+		freeUPNPDevlist(devlist);
+		while(sorted_list != NULL) {
+			dev_array = sorted_list;
+			sorted_list = sorted_list->next;
+			free_device(dev_array);
+		}
+	} else {
+		printf("no device found.\n");
+	}
+
+	return 0;
+}
+
diff --git a/thirdparty/miniupnpc/minisoap.c b/thirdparty/miniupnpc/minisoap.c
new file mode 100644
index 0000000000..520c9302e8
--- /dev/null
+++ b/thirdparty/miniupnpc/minisoap.c
@@ -0,0 +1,124 @@
+/* $Id: minisoap.c,v 1.25 2017/04/21 10:03:24 nanard Exp $ */
+/* vim: tabstop=4 shiftwidth=4 noexpandtab
+ * Project : miniupnp
+ * Author : Thomas Bernard
+ * Copyright (c) 2005-2018 Thomas Bernard
+ * This software is subject to the conditions detailed in the
+ * LICENCE file provided in this distribution.
+ *
+ * Minimal SOAP implementation for UPnP protocol.
+ */
+#include <stdio.h>
+#include <string.h>
+#ifdef _WIN32
+#include <io.h>
+#include <winsock2.h>
+#define snprintf _snprintf
+#else
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#endif
+#include "minisoap.h"
+#include "miniupnpcstrings.h"
+
+/* only for malloc */
+#include <stdlib.h>
+
+#ifdef _WIN32
+#define PRINT_SOCKET_ERROR(x)    fprintf(stderr, "Socket error: %s, %d\n", x, WSAGetLastError());
+#else
+#define PRINT_SOCKET_ERROR(x) perror(x)
+#endif
+
+/* httpWrite sends the headers and the body to the socket
+ * and returns the number of bytes sent */
+static int
+httpWrite(SOCKET fd, const char * body, int bodysize,
+          const char * headers, int headerssize)
+{
+	int n = 0;
+	/*n = write(fd, headers, headerssize);*/
+	/*if(bodysize>0)
+		n += write(fd, body, bodysize);*/
+	/* Note : my old linksys router only took into account
+	 * soap request that are sent into only one packet */
+	char * p;
+	/* TODO: AVOID MALLOC, we could use writev() for that */
+	p = malloc(headerssize+bodysize);
+	if(!p)
+	  return -1;
+	memcpy(p, headers, headerssize);
+	memcpy(p+headerssize, body, bodysize);
+	/*n = write(fd, p, headerssize+bodysize);*/
+	n = send(fd, p, headerssize+bodysize, 0);
+	if(n<0) {
+	  PRINT_SOCKET_ERROR("send");
+	}
+	/* disable send on the socket */
+	/* draytek routers don't seem to like that... */
+#if 0
+#ifdef _WIN32
+	if(shutdown(fd, SD_SEND)<0) {
+#else
+	if(shutdown(fd, SHUT_WR)<0)	{ /*SD_SEND*/
+#endif
+		PRINT_SOCKET_ERROR("shutdown");
+	}
+#endif
+	free(p);
+	return n;
+}
+
+/* self explanatory  */
+int soapPostSubmit(SOCKET fd,
+                   const char * url,
+				   const char * host,
+				   unsigned short port,
+				   const char * action,
+				   const char * body,
+				   const char * httpversion)
+{
+	int bodysize;
+	char headerbuf[512];
+	int headerssize;
+	char portstr[8];
+	bodysize = (int)strlen(body);
+	/* We are not using keep-alive HTTP connections.
+	 * HTTP/1.1 needs the header Connection: close to do that.
+	 * This is the default with HTTP/1.0
+	 * Using HTTP/1.1 means we need to support chunked transfer-encoding :
+	 * When using HTTP/1.1, the router "BiPAC 7404VNOX" always use chunked
+	 * transfer encoding. */
+    /* Connection: Close is normally there only in HTTP/1.1 but who knows */
+	portstr[0] = '\0';
+	if(port != 80)
+		snprintf(portstr, sizeof(portstr), ":%hu", port);
+	headerssize = snprintf(headerbuf, sizeof(headerbuf),
+                       "POST %s HTTP/%s\r\n"
+	                   "Host: %s%s\r\n"
+					   "User-Agent: " OS_STRING ", " UPNP_VERSION_STRING ", MiniUPnPc/" MINIUPNPC_VERSION_STRING "\r\n"
+	                   "Content-Length: %d\r\n"
+					   "Content-Type: text/xml\r\n"
+					   "SOAPAction: \"%s\"\r\n"
+					   "Connection: Close\r\n"
+					   "Cache-Control: no-cache\r\n"	/* ??? */
+					   "Pragma: no-cache\r\n"
+					   "\r\n",
+					   url, httpversion, host, portstr, bodysize, action);
+	if ((unsigned int)headerssize >= sizeof(headerbuf))
+		return -1;
+#ifdef DEBUG
+	/*printf("SOAP request : headersize=%d bodysize=%d\n",
+	       headerssize, bodysize);
+	*/
+	printf("SOAP request : POST %s HTTP/%s - Host: %s%s\n",
+	        url, httpversion, host, portstr);
+	printf("SOAPAction: \"%s\" - Content-Length: %d\n", action, bodysize);
+	printf("Headers :\n%s", headerbuf);
+	printf("Body :\n%s\n", body);
+#endif
+	return httpWrite(fd, body, bodysize, headerbuf, headerssize);
+}
+
+
diff --git a/thirdparty/miniupnpc/minisoap.h b/thirdparty/miniupnpc/minisoap.h
new file mode 100644
index 0000000000..d6a45d03ba
--- /dev/null
+++ b/thirdparty/miniupnpc/minisoap.h
@@ -0,0 +1,17 @@
+/* $Id: minisoap.h,v 1.4 2010/04/12 20:39:41 nanard Exp $ */
+/* Project : miniupnp
+ * Author : Thomas Bernard
+ * Copyright (c) 2005-2018 Thomas Bernard
+ * This software is subject to the conditions detailed in the
+ * LICENCE file provided in this distribution. */
+#ifndef MINISOAP_H_INCLUDED
+#define MINISOAP_H_INCLUDED
+
+#include "miniupnpc_socketdef.h"
+
+/*int httpWrite(int, const char *, int, const char *);*/
+int soapPostSubmit(SOCKET, const char *, const char *, unsigned short,
+		   const char *, const char *, const char *);
+
+#endif
+
diff --git a/thirdparty/miniupnpc/minissdpc.c b/thirdparty/miniupnpc/minissdpc.c
new file mode 100644
index 0000000000..d76b242ad0
--- /dev/null
+++ b/thirdparty/miniupnpc/minissdpc.c
@@ -0,0 +1,888 @@
+/* $Id: minissdpc.c,v 1.32 2016/10/07 09:04:36 nanard Exp $ */
+/* vim: tabstop=4 shiftwidth=4 noexpandtab
+ * Project : miniupnp
+ * Web : http://miniupnp.free.fr/
+ * Author : Thomas BERNARD
+ * copyright (c) 2005-2018 Thomas Bernard
+ * This software is subjet to the conditions detailed in the
+ * provided LICENCE file. */
+/*#include <syslog.h>*/
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#if defined (__NetBSD__)
+#include <net/if.h>
+#endif
+#if defined(_WIN32) || defined(__amigaos__) || defined(__amigaos4__)
+#ifdef _WIN32
+#include <winsock2.h>
+#include <ws2tcpip.h>
+#include <io.h>
+#include <iphlpapi.h>
+#define snprintf _snprintf
+#if !defined(_MSC_VER)
+#include <stdint.h>
+#else /* !defined(_MSC_VER) */
+typedef unsigned short uint16_t;
+#endif /* !defined(_MSC_VER) */
+#ifndef strncasecmp
+#if defined(_MSC_VER) && (_MSC_VER >= 1400)
+#define strncasecmp _memicmp
+#else /* defined(_MSC_VER) && (_MSC_VER >= 1400) */
+#define strncasecmp memicmp
+#endif /* defined(_MSC_VER) && (_MSC_VER >= 1400) */
+#endif /* #ifndef strncasecmp */
+#endif /* _WIN32 */
+#if defined(__amigaos__) || defined(__amigaos4__)
+#include <sys/socket.h>
+#endif /* defined(__amigaos__) || defined(__amigaos4__) */
+#if defined(__amigaos__)
+#define uint16_t unsigned short
+#endif /* defined(__amigaos__) */
+/* Hack */
+#define UNIX_PATH_LEN   108
+struct sockaddr_un {
+  uint16_t sun_family;
+  char     sun_path[UNIX_PATH_LEN];
+};
+#else /* defined(_WIN32) || defined(__amigaos__) || defined(__amigaos4__) */
+#include <strings.h>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <sys/param.h>
+#include <sys/time.h>
+#include <sys/un.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <net/if.h>
+#define closesocket close
+#endif
+
+#include "miniupnpc_socketdef.h"
+
+#if !defined(__DragonFly__) && !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__APPLE__) && !defined(_WIN32) && !defined(__CYGWIN__) && !defined(__sun) && !defined(__GNU__) && !defined(__FreeBSD_kernel__)
+#define HAS_IP_MREQN
+#endif
+
+#if !defined(HAS_IP_MREQN) && !defined(_WIN32)
+#include <sys/ioctl.h>
+#if defined(__sun)
+#include <sys/sockio.h>
+#endif
+#endif
+
+#if defined(HAS_IP_MREQN) && defined(NEED_STRUCT_IP_MREQN)
+/* Several versions of glibc don't define this structure,
+ * define it here and compile with CFLAGS NEED_STRUCT_IP_MREQN */
+struct ip_mreqn
+{
+	struct in_addr	imr_multiaddr;		/* IP multicast address of group */
+	struct in_addr	imr_address;		/* local IP address of interface */
+	int		imr_ifindex;		/* Interface index */
+};
+#endif
+
+#if defined(__amigaos__) || defined(__amigaos4__)
+/* Amiga OS specific stuff */
+#define TIMEVAL struct timeval
+#endif
+
+#include "minissdpc.h"
+#include "miniupnpc.h"
+#include "receivedata.h"
+
+#if !(defined(_WIN32) || defined(__amigaos__) || defined(__amigaos4__))
+
+#include "codelength.h"
+
+struct UPNPDev *
+getDevicesFromMiniSSDPD(const char * devtype, const char * socketpath, int * error)
+{
+	struct UPNPDev * devlist = NULL;
+	int s;
+	int res;
+
+	s = connectToMiniSSDPD(socketpath);
+	if (s < 0) {
+		if (error)
+			*error = s;
+		return NULL;
+	}
+	res = requestDevicesFromMiniSSDPD(s, devtype);
+	if (res < 0) {
+		if (error)
+			*error = res;
+	} else {
+		devlist = receiveDevicesFromMiniSSDPD(s, error);
+	}
+	disconnectFromMiniSSDPD(s);
+	return devlist;
+}
+
+/* macros used to read from unix socket */
+#define READ_BYTE_BUFFER(c) \
+	if((int)bufferindex >= n) { \
+		n = read(s, buffer, sizeof(buffer)); \
+		if(n<=0) break; \
+		bufferindex = 0; \
+	} \
+	c = buffer[bufferindex++];
+
+#ifndef MIN
+#define MIN(a, b) (((a) < (b)) ? (a) : (b))
+#endif /* MIN */
+
+#define READ_COPY_BUFFER(dst, len) \
+	for(l = len, p = (unsigned char *)dst; l > 0; ) { \
+		unsigned int lcopy; \
+		if((int)bufferindex >= n) { \
+			n = read(s, buffer, sizeof(buffer)); \
+			if(n<=0) break; \
+			bufferindex = 0; \
+		} \
+		lcopy = MIN(l, (n - bufferindex)); \
+		memcpy(p, buffer + bufferindex, lcopy); \
+		l -= lcopy; \
+		p += lcopy; \
+		bufferindex += lcopy; \
+	}
+
+#define READ_DISCARD_BUFFER(len) \
+	for(l = len; l > 0; ) { \
+		unsigned int lcopy; \
+		if(bufferindex >= n) { \
+			n = read(s, buffer, sizeof(buffer)); \
+			if(n<=0) break; \
+			bufferindex = 0; \
+		} \
+		lcopy = MIN(l, (n - bufferindex)); \
+		l -= lcopy; \
+		bufferindex += lcopy; \
+	}
+
+int
+connectToMiniSSDPD(const char * socketpath)
+{
+	int s;
+	struct sockaddr_un addr;
+#if defined(MINIUPNPC_SET_SOCKET_TIMEOUT) && !defined(__sun)
+	struct timeval timeout;
+#endif /* #ifdef MINIUPNPC_SET_SOCKET_TIMEOUT */
+
+	s = socket(AF_UNIX, SOCK_STREAM, 0);
+	if(s < 0)
+	{
+		/*syslog(LOG_ERR, "socket(unix): %m");*/
+		perror("socket(unix)");
+		return MINISSDPC_SOCKET_ERROR;
+	}
+#if defined(MINIUPNPC_SET_SOCKET_TIMEOUT) && !defined(__sun)
+	/* setting a 3 seconds timeout */
+	/* not supported for AF_UNIX sockets under Solaris */
+	timeout.tv_sec = 3;
+	timeout.tv_usec = 0;
+	if(setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof(struct timeval)) < 0)
+	{
+		perror("setsockopt SO_RCVTIMEO unix");
+	}
+	timeout.tv_sec = 3;
+	timeout.tv_usec = 0;
+	if(setsockopt(s, SOL_SOCKET, SO_SNDTIMEO, &timeout, sizeof(struct timeval)) < 0)
+	{
+		perror("setsockopt SO_SNDTIMEO unix");
+	}
+#endif /* #ifdef MINIUPNPC_SET_SOCKET_TIMEOUT */
+	if(!socketpath)
+		socketpath = "/var/run/minissdpd.sock";
+	memset(&addr, 0, sizeof(addr));
+	addr.sun_family = AF_UNIX;
+	strncpy(addr.sun_path, socketpath, sizeof(addr.sun_path));
+	/* TODO : check if we need to handle the EINTR */
+	if(connect(s, (struct sockaddr *)&addr, sizeof(struct sockaddr_un)) < 0)
+	{
+		/*syslog(LOG_WARNING, "connect(\"%s\"): %m", socketpath);*/
+		close(s);
+		return MINISSDPC_SOCKET_ERROR;
+	}
+	return s;
+}
+
+int
+disconnectFromMiniSSDPD(int s)
+{
+	if (close(s) < 0)
+		return MINISSDPC_SOCKET_ERROR;
+	return MINISSDPC_SUCCESS;
+}
+
+int
+requestDevicesFromMiniSSDPD(int s, const char * devtype)
+{
+	unsigned char buffer[256];
+	unsigned char * p;
+	unsigned int stsize, l;
+
+	stsize = strlen(devtype);
+	if(stsize == 8 && 0 == memcmp(devtype, "ssdp:all", 8))
+	{
+		buffer[0] = 3;	/* request type 3 : everything */
+	}
+	else
+	{
+		buffer[0] = 1; /* request type 1 : request devices/services by type */
+	}
+	p = buffer + 1;
+	l = stsize;	CODELENGTH(l, p);
+	if(p + stsize > buffer + sizeof(buffer))
+	{
+		/* devtype is too long ! */
+#ifdef DEBUG
+		fprintf(stderr, "devtype is too long ! stsize=%u sizeof(buffer)=%u\n",
+		        stsize, (unsigned)sizeof(buffer));
+#endif /* DEBUG */
+		return MINISSDPC_INVALID_INPUT;
+	}
+	memcpy(p, devtype, stsize);
+	p += stsize;
+	if(write(s, buffer, p - buffer) < 0)
+	{
+		/*syslog(LOG_ERR, "write(): %m");*/
+		perror("minissdpc.c: write()");
+		return MINISSDPC_SOCKET_ERROR;
+	}
+	return MINISSDPC_SUCCESS;
+}
+
+struct UPNPDev *
+receiveDevicesFromMiniSSDPD(int s, int * error)
+{
+	struct UPNPDev * tmp;
+	struct UPNPDev * devlist = NULL;
+	unsigned char buffer[256];
+	ssize_t n;
+	unsigned char * p;
+	unsigned char * url;
+	unsigned char * st;
+	unsigned int bufferindex;
+	unsigned int i, ndev;
+	unsigned int urlsize, stsize, usnsize, l;
+
+	n = read(s, buffer, sizeof(buffer));
+	if(n<=0)
+	{
+		perror("minissdpc.c: read()");
+		if (error)
+			*error = MINISSDPC_SOCKET_ERROR;
+		return NULL;
+	}
+	ndev = buffer[0];
+	bufferindex = 1;
+	for(i = 0; i < ndev; i++)
+	{
+		DECODELENGTH_READ(urlsize, READ_BYTE_BUFFER);
+		if(n<=0) {
+			if (error)
+				*error = MINISSDPC_INVALID_SERVER_REPLY;
+			return devlist;
+		}
+#ifdef DEBUG
+		printf("  urlsize=%u", urlsize);
+#endif /* DEBUG */
+		url = malloc(urlsize);
+		if(url == NULL) {
+			if (error)
+				*error = MINISSDPC_MEMORY_ERROR;
+			return devlist;
+		}
+		READ_COPY_BUFFER(url, urlsize);
+		if(n<=0) {
+			if (error)
+				*error = MINISSDPC_INVALID_SERVER_REPLY;
+			goto free_url_and_return;
+		}
+		DECODELENGTH_READ(stsize, READ_BYTE_BUFFER);
+		if(n<=0) {
+			if (error)
+				*error = MINISSDPC_INVALID_SERVER_REPLY;
+			goto free_url_and_return;
+		}
+#ifdef DEBUG
+		printf("   stsize=%u", stsize);
+#endif /* DEBUG */
+		st = malloc(stsize);
+		if (st == NULL) {
+			if (error)
+				*error = MINISSDPC_MEMORY_ERROR;
+			goto free_url_and_return;
+		}
+		READ_COPY_BUFFER(st, stsize);
+		if(n<=0) {
+			if (error)
+				*error = MINISSDPC_INVALID_SERVER_REPLY;
+			goto free_url_and_st_and_return;
+		}
+		DECODELENGTH_READ(usnsize, READ_BYTE_BUFFER);
+		if(n<=0) {
+			if (error)
+				*error = MINISSDPC_INVALID_SERVER_REPLY;
+			goto free_url_and_st_and_return;
+		}
+#ifdef DEBUG
+		printf("   usnsize=%u\n", usnsize);
+#endif /* DEBUG */
+		tmp = (struct UPNPDev *)malloc(sizeof(struct UPNPDev)+urlsize+stsize+usnsize);
+		if(tmp == NULL) {
+			if (error)
+				*error = MINISSDPC_MEMORY_ERROR;
+			goto free_url_and_st_and_return;
+		}
+		tmp->pNext = devlist;
+		tmp->descURL = tmp->buffer;
+		tmp->st = tmp->buffer + 1 + urlsize;
+		memcpy(tmp->buffer, url, urlsize);
+		tmp->buffer[urlsize] = '\0';
+		memcpy(tmp->st, st, stsize);
+		tmp->buffer[urlsize+1+stsize] = '\0';
+		free(url);
+		free(st);
+		url = NULL;
+		st = NULL;
+		tmp->usn = tmp->buffer + 1 + urlsize + 1 + stsize;
+		READ_COPY_BUFFER(tmp->usn, usnsize);
+		if(n<=0) {
+			if (error)
+				*error = MINISSDPC_INVALID_SERVER_REPLY;
+			goto free_tmp_and_return;
+		}
+		tmp->buffer[urlsize+1+stsize+1+usnsize] = '\0';
+		tmp->scope_id = 0;	/* default value. scope_id is not available with MiniSSDPd */
+		devlist = tmp;
+	}
+	if (error)
+		*error = MINISSDPC_SUCCESS;
+	return devlist;
+
+free_url_and_st_and_return:
+	free(st);
+free_url_and_return:
+	free(url);
+	return devlist;
+
+free_tmp_and_return:
+	free(tmp);
+	return devlist;
+}
+
+#endif /* !(defined(_WIN32) || defined(__amigaos__) || defined(__amigaos4__)) */
+
+/* parseMSEARCHReply()
+ * the last 4 arguments are filled during the parsing :
+ *    - location/locationsize : "location:" field of the SSDP reply packet
+ *    - st/stsize : "st:" field of the SSDP reply packet.
+ * The strings are NOT null terminated */
+static void
+parseMSEARCHReply(const char * reply, int size,
+                  const char * * location, int * locationsize,
+			      const char * * st, int * stsize,
+			      const char * * usn, int * usnsize)
+{
+	int a, b, i;
+	i = 0;
+	a = i;	/* start of the line */
+	b = 0;	/* end of the "header" (position of the colon) */
+	while(i<size)
+	{
+		switch(reply[i])
+		{
+		case ':':
+				if(b==0)
+				{
+					b = i; /* end of the "header" */
+					/*for(j=a; j<b; j++)
+					{
+						putchar(reply[j]);
+					}
+					*/
+				}
+				break;
+		case '\x0a':
+		case '\x0d':
+				if(b!=0)
+				{
+					/*for(j=b+1; j<i; j++)
+					{
+						putchar(reply[j]);
+					}
+					putchar('\n');*/
+					/* skip the colon and white spaces */
+					do { b++; } while(reply[b]==' ');
+					if(0==strncasecmp(reply+a, "location", 8))
+					{
+						*location = reply+b;
+						*locationsize = i-b;
+					}
+					else if(0==strncasecmp(reply+a, "st", 2))
+					{
+						*st = reply+b;
+						*stsize = i-b;
+					}
+					else if(0==strncasecmp(reply+a, "usn", 3))
+					{
+						*usn = reply+b;
+						*usnsize = i-b;
+					}
+					b = 0;
+				}
+				a = i+1;
+				break;
+		default:
+				break;
+		}
+		i++;
+	}
+}
+
+/* port upnp discover : SSDP protocol */
+#define SSDP_PORT 1900
+#define XSTR(s) STR(s)
+#define STR(s) #s
+#define UPNP_MCAST_ADDR "239.255.255.250"
+/* for IPv6 */
+#define UPNP_MCAST_LL_ADDR "FF02::C" /* link-local */
+#define UPNP_MCAST_SL_ADDR "FF05::C" /* site-local */
+
+/* direct discovery if minissdpd responses are not sufficient */
+/* ssdpDiscoverDevices() :
+ * return a chained list of all devices found or NULL if
+ * no devices was found.
+ * It is up to the caller to free the chained list
+ * delay is in millisecond (poll).
+ * UDA v1.1 says :
+ *   The TTL for the IP packet SHOULD default to 2 and
+ *   SHOULD be configurable. */
+struct UPNPDev *
+ssdpDiscoverDevices(const char * const deviceTypes[],
+                    int delay, const char * multicastif,
+                    int localport,
+                    int ipv6, unsigned char ttl,
+                    int * error,
+                    int searchalltypes)
+{
+	struct UPNPDev * tmp;
+	struct UPNPDev * devlist = 0;
+	unsigned int scope_id = 0;
+	int opt = 1;
+	static const char MSearchMsgFmt[] =
+	"M-SEARCH * HTTP/1.1\r\n"
+	"HOST: %s:" XSTR(SSDP_PORT) "\r\n"
+	"ST: %s\r\n"
+	"MAN: \"ssdp:discover\"\r\n"
+	"MX: %u\r\n"
+	"\r\n";
+	int deviceIndex;
+	char bufr[1536];	/* reception and emission buffer */
+	SOCKET sudp;
+	int n;
+	struct sockaddr_storage sockudp_r;
+	unsigned int mx;
+#ifdef NO_GETADDRINFO
+	struct sockaddr_storage sockudp_w;
+#else
+	int rv;
+	struct addrinfo hints, *servinfo, *p;
+#endif
+#ifdef _WIN32
+	MIB_IPFORWARDROW ip_forward;
+	unsigned long _ttl = (unsigned long)ttl;
+#endif
+	int linklocal = 1;
+	int sentok;
+
+	if(error)
+		*error = MINISSDPC_UNKNOWN_ERROR;
+
+	if(localport==UPNP_LOCAL_PORT_SAME)
+		localport = SSDP_PORT;
+
+#ifdef _WIN32
+	sudp = socket(ipv6 ? PF_INET6 : PF_INET, SOCK_DGRAM, IPPROTO_UDP);
+#else
+	sudp = socket(ipv6 ? PF_INET6 : PF_INET, SOCK_DGRAM, 0);
+#endif
+	if(ISINVALID(sudp))
+	{
+		if(error)
+			*error = MINISSDPC_SOCKET_ERROR;
+		PRINT_SOCKET_ERROR("socket");
+		return NULL;
+	}
+	/* reception */
+	memset(&sockudp_r, 0, sizeof(struct sockaddr_storage));
+	if(ipv6) {
+		struct sockaddr_in6 * p = (struct sockaddr_in6 *)&sockudp_r;
+		p->sin6_family = AF_INET6;
+		if(localport > 0 && localport < 65536)
+			p->sin6_port = htons((unsigned short)localport);
+		p->sin6_addr = in6addr_any; /* in6addr_any is not available with MinGW32 3.4.2 */
+	} else {
+		struct sockaddr_in * p = (struct sockaddr_in *)&sockudp_r;
+		p->sin_family = AF_INET;
+		if(localport > 0 && localport < 65536)
+			p->sin_port = htons((unsigned short)localport);
+		p->sin_addr.s_addr = INADDR_ANY;
+	}
+#ifdef _WIN32
+/* This code could help us to use the right Network interface for
+ * SSDP multicast traffic */
+/* Get IP associated with the index given in the ip_forward struct
+ * in order to give this ip to setsockopt(sudp, IPPROTO_IP, IP_MULTICAST_IF) */
+	if(!ipv6
+	   && (GetBestRoute(inet_addr("223.255.255.255"), 0, &ip_forward) == NO_ERROR)) {
+		DWORD dwRetVal = 0;
+		PMIB_IPADDRTABLE pIPAddrTable;
+		DWORD dwSize = 0;
+#ifdef DEBUG
+		IN_ADDR IPAddr;
+#endif
+		int i;
+#ifdef DEBUG
+		printf("ifIndex=%lu nextHop=%lx \n", ip_forward.dwForwardIfIndex, ip_forward.dwForwardNextHop);
+#endif
+		pIPAddrTable = (MIB_IPADDRTABLE *) malloc(sizeof (MIB_IPADDRTABLE));
+		if(pIPAddrTable) {
+			if (GetIpAddrTable(pIPAddrTable, &dwSize, 0) == ERROR_INSUFFICIENT_BUFFER) {
+				free(pIPAddrTable);
+				pIPAddrTable = (MIB_IPADDRTABLE *) malloc(dwSize);
+			}
+		}
+		if(pIPAddrTable) {
+			dwRetVal = GetIpAddrTable( pIPAddrTable, &dwSize, 0 );
+			if (dwRetVal == NO_ERROR) {
+#ifdef DEBUG
+				printf("\tNum Entries: %ld\n", pIPAddrTable->dwNumEntries);
+#endif
+				for (i=0; i < (int) pIPAddrTable->dwNumEntries; i++) {
+#ifdef DEBUG
+					printf("\n\tInterface Index[%d]:\t%ld\n", i, pIPAddrTable->table[i].dwIndex);
+					IPAddr.S_un.S_addr = (u_long) pIPAddrTable->table[i].dwAddr;
+					printf("\tIP Address[%d]:     \t%s\n", i, inet_ntoa(IPAddr) );
+					IPAddr.S_un.S_addr = (u_long) pIPAddrTable->table[i].dwMask;
+					printf("\tSubnet Mask[%d]:    \t%s\n", i, inet_ntoa(IPAddr) );
+					IPAddr.S_un.S_addr = (u_long) pIPAddrTable->table[i].dwBCastAddr;
+					printf("\tBroadCast[%d]:      \t%s (%ld)\n", i, inet_ntoa(IPAddr), pIPAddrTable->table[i].dwBCastAddr);
+					printf("\tReassembly size[%d]:\t%ld\n", i, pIPAddrTable->table[i].dwReasmSize);
+					printf("\tType and State[%d]:", i);
+					printf("\n");
+#endif
+					if (pIPAddrTable->table[i].dwIndex == ip_forward.dwForwardIfIndex) {
+						/* Set the address of this interface to be used */
+						struct in_addr mc_if;
+						memset(&mc_if, 0, sizeof(mc_if));
+						mc_if.s_addr = pIPAddrTable->table[i].dwAddr;
+						if(setsockopt(sudp, IPPROTO_IP, IP_MULTICAST_IF, (const char *)&mc_if, sizeof(mc_if)) < 0) {
+							PRINT_SOCKET_ERROR("setsockopt");
+						}
+						((struct sockaddr_in *)&sockudp_r)->sin_addr.s_addr = pIPAddrTable->table[i].dwAddr;
+#ifndef DEBUG
+						break;
+#endif
+					}
+				}
+			}
+			free(pIPAddrTable);
+			pIPAddrTable = NULL;
+		}
+	}
+#endif	/* _WIN32 */
+
+#ifdef _WIN32
+	if (setsockopt(sudp, SOL_SOCKET, SO_REUSEADDR, (const char *)&opt, sizeof (opt)) < 0)
+#else
+	if (setsockopt(sudp, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof (opt)) < 0)
+#endif
+	{
+		if(error)
+			*error = MINISSDPC_SOCKET_ERROR;
+		PRINT_SOCKET_ERROR("setsockopt(SO_REUSEADDR,...)");
+		return NULL;
+	}
+
+	if(ipv6) {
+#ifdef _WIN32
+		DWORD mcastHops = ttl;
+		if(setsockopt(sudp, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, (const char *)&mcastHops, sizeof(mcastHops)) < 0)
+#else  /* _WIN32 */
+		int mcastHops = ttl;
+		if(setsockopt(sudp, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, &mcastHops, sizeof(mcastHops)) < 0)
+#endif /* _WIN32 */
+		{
+			PRINT_SOCKET_ERROR("setsockopt(IPV6_MULTICAST_HOPS,...)");
+		}
+	} else {
+#ifdef _WIN32
+		if(setsockopt(sudp, IPPROTO_IP, IP_MULTICAST_TTL, (const char *)&_ttl, sizeof(_ttl)) < 0)
+#else  /* _WIN32 */
+		if(setsockopt(sudp, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, sizeof(ttl)) < 0)
+#endif /* _WIN32 */
+		{
+			/* not a fatal error */
+			PRINT_SOCKET_ERROR("setsockopt(IP_MULTICAST_TTL,...)");
+		}
+	}
+
+	if(multicastif)
+	{
+		if(ipv6) {
+#if !defined(_WIN32)
+			/* according to MSDN, if_nametoindex() is supported since
+			 * MS Windows Vista and MS Windows Server 2008.
+			 * http://msdn.microsoft.com/en-us/library/bb408409%28v=vs.85%29.aspx */
+			unsigned int ifindex = if_nametoindex(multicastif); /* eth0, etc. */
+			if(setsockopt(sudp, IPPROTO_IPV6, IPV6_MULTICAST_IF, &ifindex, sizeof(ifindex)) < 0)
+			{
+				PRINT_SOCKET_ERROR("setsockopt IPV6_MULTICAST_IF");
+			}
+#else
+#ifdef DEBUG
+			printf("Setting of multicast interface not supported in IPv6 under Windows.\n");
+#endif
+#endif
+		} else {
+			struct in_addr mc_if;
+			mc_if.s_addr = inet_addr(multicastif); /* ex: 192.168.x.x */
+			if(mc_if.s_addr != INADDR_NONE)
+			{
+				((struct sockaddr_in *)&sockudp_r)->sin_addr.s_addr = mc_if.s_addr;
+				if(setsockopt(sudp, IPPROTO_IP, IP_MULTICAST_IF, (const char *)&mc_if, sizeof(mc_if)) < 0)
+				{
+					PRINT_SOCKET_ERROR("setsockopt IP_MULTICAST_IF");
+				}
+			} else {
+#ifdef HAS_IP_MREQN
+				/* was not an ip address, try with an interface name */
+				struct ip_mreqn reqn;	/* only defined with -D_BSD_SOURCE or -D_GNU_SOURCE */
+				memset(&reqn, 0, sizeof(struct ip_mreqn));
+				reqn.imr_ifindex = if_nametoindex(multicastif);
+				if(setsockopt(sudp, IPPROTO_IP, IP_MULTICAST_IF, (const char *)&reqn, sizeof(reqn)) < 0)
+				{
+					PRINT_SOCKET_ERROR("setsockopt IP_MULTICAST_IF");
+				}
+#elif !defined(_WIN32)
+				struct ifreq ifr;
+				int ifrlen = sizeof(ifr);
+				strncpy(ifr.ifr_name, multicastif, IFNAMSIZ);
+				ifr.ifr_name[IFNAMSIZ-1] = '\0';
+				if(ioctl(sudp, SIOCGIFADDR, &ifr, &ifrlen) < 0)
+				{
+					PRINT_SOCKET_ERROR("ioctl(...SIOCGIFADDR...)");
+				}
+				mc_if.s_addr = ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr.s_addr;
+				if(setsockopt(sudp, IPPROTO_IP, IP_MULTICAST_IF, (const char *)&mc_if, sizeof(mc_if)) < 0)
+				{
+					PRINT_SOCKET_ERROR("setsockopt IP_MULTICAST_IF");
+				}
+#else /* _WIN32 */
+#ifdef DEBUG
+				printf("Setting of multicast interface not supported with interface name.\n");
+#endif
+#endif /* #ifdef HAS_IP_MREQN / !defined(_WIN32) */
+			}
+		}
+	}
+
+	/* Before sending the packed, we first "bind" in order to be able
+	 * to receive the response */
+	if (bind(sudp, (const struct sockaddr *)&sockudp_r,
+	         ipv6 ? sizeof(struct sockaddr_in6) : sizeof(struct sockaddr_in)) != 0)
+	{
+		if(error)
+			*error = MINISSDPC_SOCKET_ERROR;
+		PRINT_SOCKET_ERROR("bind");
+		closesocket(sudp);
+		return NULL;
+	}
+
+	if(error)
+		*error = MINISSDPC_SUCCESS;
+	/* Calculating maximum response time in seconds */
+	mx = ((unsigned int)delay) / 1000u;
+	if(mx == 0) {
+		mx = 1;
+		delay = 1000;
+	}
+	/* receiving SSDP response packet */
+	for(deviceIndex = 0; deviceTypes[deviceIndex]; deviceIndex++) {
+		sentok = 0;
+		/* sending the SSDP M-SEARCH packet */
+		n = snprintf(bufr, sizeof(bufr),
+		             MSearchMsgFmt,
+		             ipv6 ?
+		             (linklocal ? "[" UPNP_MCAST_LL_ADDR "]" :  "[" UPNP_MCAST_SL_ADDR "]")
+		             : UPNP_MCAST_ADDR,
+		             deviceTypes[deviceIndex], mx);
+		if ((unsigned int)n >= sizeof(bufr)) {
+			if(error)
+				*error = MINISSDPC_MEMORY_ERROR;
+			goto error;
+		}
+#ifdef DEBUG
+		/*printf("Sending %s", bufr);*/
+		printf("Sending M-SEARCH request to %s with ST: %s\n",
+		       ipv6 ?
+		       (linklocal ? "[" UPNP_MCAST_LL_ADDR "]" :  "[" UPNP_MCAST_SL_ADDR "]")
+		       : UPNP_MCAST_ADDR,
+		       deviceTypes[deviceIndex]);
+#endif
+#ifdef NO_GETADDRINFO
+		/* the following code is not using getaddrinfo */
+		/* emission */
+		memset(&sockudp_w, 0, sizeof(struct sockaddr_storage));
+		if(ipv6) {
+			struct sockaddr_in6 * p = (struct sockaddr_in6 *)&sockudp_w;
+			p->sin6_family = AF_INET6;
+			p->sin6_port = htons(SSDP_PORT);
+			inet_pton(AF_INET6,
+			          linklocal ? UPNP_MCAST_LL_ADDR : UPNP_MCAST_SL_ADDR,
+			          &(p->sin6_addr));
+		} else {
+			struct sockaddr_in * p = (struct sockaddr_in *)&sockudp_w;
+			p->sin_family = AF_INET;
+			p->sin_port = htons(SSDP_PORT);
+			p->sin_addr.s_addr = inet_addr(UPNP_MCAST_ADDR);
+		}
+		n = sendto(sudp, bufr, n, 0, &sockudp_w,
+		           ipv6 ? sizeof(struct sockaddr_in6) : sizeof(struct sockaddr_in));
+		if (n < 0) {
+			if(error)
+				*error = MINISSDPC_SOCKET_ERROR;
+			PRINT_SOCKET_ERROR("sendto");
+		} else {
+			sentok = 1;
+		}
+#else /* #ifdef NO_GETADDRINFO */
+		memset(&hints, 0, sizeof(hints));
+		hints.ai_family = AF_UNSPEC; /* AF_INET6 or AF_INET */
+		hints.ai_socktype = SOCK_DGRAM;
+		/*hints.ai_flags = */
+		if ((rv = getaddrinfo(ipv6
+		                      ? (linklocal ? UPNP_MCAST_LL_ADDR : UPNP_MCAST_SL_ADDR)
+		                      : UPNP_MCAST_ADDR,
+		                      XSTR(SSDP_PORT), &hints, &servinfo)) != 0) {
+			if(error)
+				*error = MINISSDPC_SOCKET_ERROR;
+#ifdef _WIN32
+			fprintf(stderr, "getaddrinfo() failed: %d\n", rv);
+#else
+			fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(rv));
+#endif
+			break;
+		}
+		for(p = servinfo; p; p = p->ai_next) {
+			n = sendto(sudp, bufr, n, 0, p->ai_addr, p->ai_addrlen);
+			if (n < 0) {
+#ifdef DEBUG
+				char hbuf[NI_MAXHOST], sbuf[NI_MAXSERV];
+				if (getnameinfo(p->ai_addr, p->ai_addrlen, hbuf, sizeof(hbuf), sbuf,
+				                sizeof(sbuf), NI_NUMERICHOST | NI_NUMERICSERV) == 0) {
+					fprintf(stderr, "host:%s port:%s\n", hbuf, sbuf);
+				}
+#endif
+				PRINT_SOCKET_ERROR("sendto");
+				continue;
+			} else {
+				sentok = 1;
+			}
+		}
+		freeaddrinfo(servinfo);
+		if(!sentok) {
+			if(error)
+				*error = MINISSDPC_SOCKET_ERROR;
+		}
+#endif /* #ifdef NO_GETADDRINFO */
+		/* Waiting for SSDP REPLY packet to M-SEARCH
+		 * if searchalltypes is set, enter the loop only
+		 * when the last deviceType is reached */
+		if((sentok && !searchalltypes) || !deviceTypes[deviceIndex + 1]) do {
+			n = receivedata(sudp, bufr, sizeof(bufr), delay, &scope_id);
+			if (n < 0) {
+				/* error */
+				if(error)
+					*error = MINISSDPC_SOCKET_ERROR;
+				goto error;
+			} else if (n == 0) {
+				/* no data or Time Out */
+#ifdef DEBUG
+				printf("NODATA or TIMEOUT\n");
+#endif /* DEBUG */
+				if (devlist && !searchalltypes) {
+					/* found some devices, stop now*/
+					if(error)
+						*error = MINISSDPC_SUCCESS;
+					goto error;
+				}
+			} else {
+				const char * descURL=NULL;
+				int urlsize=0;
+				const char * st=NULL;
+				int stsize=0;
+				const char * usn=NULL;
+				int usnsize=0;
+				parseMSEARCHReply(bufr, n, &descURL, &urlsize, &st, &stsize, &usn, &usnsize);
+				if(st&&descURL) {
+#ifdef DEBUG
+					printf("M-SEARCH Reply:\n  ST: %.*s\n  USN: %.*s\n  Location: %.*s\n",
+					       stsize, st, usnsize, (usn?usn:""), urlsize, descURL);
+#endif /* DEBUG */
+					for(tmp=devlist; tmp; tmp = tmp->pNext) {
+						if(memcmp(tmp->descURL, descURL, urlsize) == 0 &&
+						   tmp->descURL[urlsize] == '\0' &&
+						   memcmp(tmp->st, st, stsize) == 0 &&
+						   tmp->st[stsize] == '\0' &&
+						   (usnsize == 0 || memcmp(tmp->usn, usn, usnsize) == 0) &&
+						   tmp->usn[usnsize] == '\0')
+							break;
+					}
+					/* at the exit of the loop above, tmp is null if
+					 * no duplicate device was found */
+					if(tmp)
+						continue;
+					tmp = (struct UPNPDev *)malloc(sizeof(struct UPNPDev)+urlsize+stsize+usnsize);
+					if(!tmp) {
+						/* memory allocation error */
+						if(error)
+							*error = MINISSDPC_MEMORY_ERROR;
+						goto error;
+					}
+					tmp->pNext = devlist;
+					tmp->descURL = tmp->buffer;
+					tmp->st = tmp->buffer + 1 + urlsize;
+					tmp->usn = tmp->st + 1 + stsize;
+					memcpy(tmp->buffer, descURL, urlsize);
+					tmp->buffer[urlsize] = '\0';
+					memcpy(tmp->st, st, stsize);
+					tmp->buffer[urlsize+1+stsize] = '\0';
+					if(usn != NULL)
+						memcpy(tmp->usn, usn, usnsize);
+					tmp->buffer[urlsize+1+stsize+1+usnsize] = '\0';
+					tmp->scope_id = scope_id;
+					devlist = tmp;
+				}
+			}
+		} while(n > 0);
+		if(ipv6) {
+			/* switch linklocal flag */
+			if(linklocal) {
+				linklocal = 0;
+				--deviceIndex;
+			} else {
+				linklocal = 1;
+			}
+		}
+	}
+error:
+	closesocket(sudp);
+	return devlist;
+}
+
diff --git a/thirdparty/miniupnpc/minissdpc.h b/thirdparty/miniupnpc/minissdpc.h
new file mode 100644
index 0000000000..167d897cb6
--- /dev/null
+++ b/thirdparty/miniupnpc/minissdpc.h
@@ -0,0 +1,58 @@
+/* $Id: minissdpc.h,v 1.6 2015/09/18 12:45:16 nanard Exp $ */
+/* Project: miniupnp
+ * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
+ * Author: Thomas Bernard
+ * Copyright (c) 2005-2015 Thomas Bernard
+ * This software is subjects to the conditions detailed
+ * in the LICENCE file provided within this distribution */
+#ifndef MINISSDPC_H_INCLUDED
+#define MINISSDPC_H_INCLUDED
+
+#include "miniupnpc_declspec.h"
+#include "upnpdev.h"
+
+/* error codes : */
+#define MINISSDPC_SUCCESS (0)
+#define MINISSDPC_UNKNOWN_ERROR (-1)
+#define MINISSDPC_SOCKET_ERROR (-101)
+#define MINISSDPC_MEMORY_ERROR (-102)
+#define MINISSDPC_INVALID_INPUT (-103)
+#define MINISSDPC_INVALID_SERVER_REPLY (-104)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if !(defined(_WIN32) || defined(__amigaos__) || defined(__amigaos4__))
+
+MINIUPNP_LIBSPEC struct UPNPDev *
+getDevicesFromMiniSSDPD(const char * devtype, const char * socketpath, int * error);
+
+MINIUPNP_LIBSPEC int
+connectToMiniSSDPD(const char * socketpath);
+
+MINIUPNP_LIBSPEC int
+disconnectFromMiniSSDPD(int fd);
+
+MINIUPNP_LIBSPEC int
+requestDevicesFromMiniSSDPD(int fd, const char * devtype);
+
+MINIUPNP_LIBSPEC struct UPNPDev *
+receiveDevicesFromMiniSSDPD(int fd, int * error);
+
+#endif /* !(defined(_WIN32) || defined(__amigaos__) || defined(__amigaos4__)) */
+
+MINIUPNP_LIBSPEC struct UPNPDev *
+ssdpDiscoverDevices(const char * const deviceTypes[],
+                    int delay, const char * multicastif,
+                    int localport,
+                    int ipv6, unsigned char ttl,
+                    int * error,
+                    int searchalltypes);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
diff --git a/thirdparty/miniupnpc/miniupnpc.c b/thirdparty/miniupnpc/miniupnpc.c
new file mode 100644
index 0000000000..5d93ef9933
--- /dev/null
+++ b/thirdparty/miniupnpc/miniupnpc.c
@@ -0,0 +1,727 @@
+/* $Id: miniupnpc.c,v 1.149 2016/02/09 09:50:46 nanard Exp $ */
+/* vim: tabstop=4 shiftwidth=4 noexpandtab
+ * Project : miniupnp
+ * Web : http://miniupnp.free.fr/
+ * Author : Thomas BERNARD
+ * copyright (c) 2005-2018 Thomas Bernard
+ * This software is subjet to the conditions detailed in the
+ * provided LICENSE file. */
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#ifdef _WIN32
+/* Win32 Specific includes and defines */
+#include <winsock2.h>
+#include <ws2tcpip.h>
+#include <io.h>
+#include <iphlpapi.h>
+#define snprintf _snprintf
+#define strdup _strdup
+#ifndef strncasecmp
+#if defined(_MSC_VER) && (_MSC_VER >= 1400)
+#define strncasecmp _memicmp
+#else /* defined(_MSC_VER) && (_MSC_VER >= 1400) */
+#define strncasecmp memicmp
+#endif /* defined(_MSC_VER) && (_MSC_VER >= 1400) */
+#endif /* #ifndef strncasecmp */
+#define MAXHOSTNAMELEN 64
+#else /* #ifdef _WIN32 */
+/* Standard POSIX includes */
+#include <unistd.h>
+#if defined(__amigaos__) && !defined(__amigaos4__)
+/* Amiga OS 3 specific stuff */
+#define socklen_t int
+#else
+#include <sys/select.h>
+#endif
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/param.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <net/if.h>
+#if !defined(__amigaos__) && !defined(__amigaos4__)
+#include <poll.h>
+#endif
+#include <strings.h>
+#include <errno.h>
+#define closesocket close
+#endif /* #else _WIN32 */
+#ifdef __GNU__
+#define MAXHOSTNAMELEN 64
+#endif
+
+
+#include "miniupnpc.h"
+#include "minissdpc.h"
+#include "miniwget.h"
+#include "miniwget_private.h"
+#include "minisoap.h"
+#include "minixml.h"
+#include "upnpcommands.h"
+#include "connecthostport.h"
+
+/* compare the beginning of a string with a constant string */
+#define COMPARE(str, cstr) (0==memcmp(str, cstr, sizeof(cstr) - 1))
+
+#ifndef MAXHOSTNAMELEN
+#define MAXHOSTNAMELEN 64
+#endif
+
+#define SOAPPREFIX "s"
+#define SERVICEPREFIX "u"
+#define SERVICEPREFIX2 'u'
+
+/* check if an ip address is a private (LAN) address
+ * see https://tools.ietf.org/html/rfc1918 */
+static int is_rfc1918addr(const char * addr)
+{
+	/* 192.168.0.0     -   192.168.255.255 (192.168/16 prefix) */
+	if(COMPARE(addr, "192.168."))
+		return 1;
+	/* 10.0.0.0        -   10.255.255.255  (10/8 prefix) */
+	if(COMPARE(addr, "10."))
+		return 1;
+	/* 172.16.0.0      -   172.31.255.255  (172.16/12 prefix) */
+	if(COMPARE(addr, "172.")) {
+		int i = atoi(addr + 4);
+		if((16 <= i) && (i <= 31))
+			return 1;
+	}
+	return 0;
+}
+
+/* root description parsing */
+MINIUPNP_LIBSPEC void parserootdesc(const char * buffer, int bufsize, struct IGDdatas * data)
+{
+	struct xmlparser parser;
+	/* xmlparser object */
+	parser.xmlstart = buffer;
+	parser.xmlsize = bufsize;
+	parser.data = data;
+	parser.starteltfunc = IGDstartelt;
+	parser.endeltfunc = IGDendelt;
+	parser.datafunc = IGDdata;
+	parser.attfunc = 0;
+	parsexml(&parser);
+#ifdef DEBUG
+	printIGD(data);
+#endif
+}
+
+/* simpleUPnPcommand2 :
+ * not so simple !
+ * return values :
+ *   pointer - OK
+ *   NULL - error */
+static char *
+simpleUPnPcommand2(SOCKET s, const char * url, const char * service,
+                   const char * action, struct UPNParg * args,
+                   int * bufsize, const char * httpversion)
+{
+	char hostname[MAXHOSTNAMELEN+1];
+	unsigned short port = 0;
+	char * path;
+	char soapact[128];
+	char soapbody[2048];
+	int soapbodylen;
+	char * buf;
+	int n;
+	int status_code;
+
+	*bufsize = 0;
+	snprintf(soapact, sizeof(soapact), "%s#%s", service, action);
+	if(args==NULL)
+	{
+		soapbodylen = snprintf(soapbody, sizeof(soapbody),
+						  "<?xml version=\"1.0\"?>\r\n"
+						  "<" SOAPPREFIX ":Envelope "
+						  "xmlns:" SOAPPREFIX "=\"http://schemas.xmlsoap.org/soap/envelope/\" "
+						  SOAPPREFIX ":encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\">"
+						  "<" SOAPPREFIX ":Body>"
+						  "<" SERVICEPREFIX ":%s xmlns:" SERVICEPREFIX "=\"%s\">"
+						  "</" SERVICEPREFIX ":%s>"
+						  "</" SOAPPREFIX ":Body></" SOAPPREFIX ":Envelope>"
+						  "\r\n", action, service, action);
+		if ((unsigned int)soapbodylen >= sizeof(soapbody))
+			return NULL;
+	}
+	else
+	{
+		char * p;
+		const char * pe, * pv;
+		const char * const pend = soapbody + sizeof(soapbody);
+		soapbodylen = snprintf(soapbody, sizeof(soapbody),
+						"<?xml version=\"1.0\"?>\r\n"
+						"<" SOAPPREFIX ":Envelope "
+						"xmlns:" SOAPPREFIX "=\"http://schemas.xmlsoap.org/soap/envelope/\" "
+						SOAPPREFIX ":encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\">"
+						"<" SOAPPREFIX ":Body>"
+						"<" SERVICEPREFIX ":%s xmlns:" SERVICEPREFIX "=\"%s\">",
+						action, service);
+		if ((unsigned int)soapbodylen >= sizeof(soapbody))
+			return NULL;
+		p = soapbody + soapbodylen;
+		while(args->elt)
+		{
+			if(p >= pend) /* check for space to write next byte */
+				return NULL;
+			*(p++) = '<';
+
+			pe = args->elt;
+			while(p < pend && *pe)
+				*(p++) = *(pe++);
+
+			if(p >= pend) /* check for space to write next byte */
+				return NULL;
+			*(p++) = '>';
+
+			if((pv = args->val))
+			{
+				while(p < pend && *pv)
+					*(p++) = *(pv++);
+			}
+
+			if((p+2) > pend) /* check for space to write next 2 bytes */
+				return NULL;
+			*(p++) = '<';
+			*(p++) = '/';
+
+			pe = args->elt;
+			while(p < pend && *pe)
+				*(p++) = *(pe++);
+
+			if(p >= pend) /* check for space to write next byte */
+				return NULL;
+			*(p++) = '>';
+
+			args++;
+		}
+		if((p+4) > pend) /* check for space to write next 4 bytes */
+			return NULL;
+		*(p++) = '<';
+		*(p++) = '/';
+		*(p++) = SERVICEPREFIX2;
+		*(p++) = ':';
+
+		pe = action;
+		while(p < pend && *pe)
+			*(p++) = *(pe++);
+
+		strncpy(p, "></" SOAPPREFIX ":Body></" SOAPPREFIX ":Envelope>\r\n",
+		        pend - p);
+		if(soapbody[sizeof(soapbody)-1]) /* strncpy pads buffer with 0s, so if it doesn't end in 0, could not fit full string */
+			return NULL;
+	}
+	if(!parseURL(url, hostname, &port, &path, NULL)) return NULL;
+	if(ISINVALID(s)) {
+		s = connecthostport(hostname, port, 0);
+		if(ISINVALID(s)) {
+			/* failed to connect */
+			return NULL;
+		}
+	}
+
+	n = soapPostSubmit(s, path, hostname, port, soapact, soapbody, httpversion);
+	if(n<=0) {
+#ifdef DEBUG
+		printf("Error sending SOAP request\n");
+#endif
+		closesocket(s);
+		return NULL;
+	}
+
+	buf = getHTTPResponse(s, bufsize, &status_code);
+#ifdef DEBUG
+	if(*bufsize > 0 && buf)
+	{
+		printf("HTTP %d SOAP Response :\n%.*s\n", status_code, *bufsize, buf);
+	}
+	else
+	{
+		printf("HTTP %d, empty SOAP response. size=%d\n", status_code, *bufsize);
+	}
+#endif
+	closesocket(s);
+	return buf;
+}
+
+/* simpleUPnPcommand :
+ * not so simple !
+ * return values :
+ *   pointer - OK
+ *   NULL    - error */
+char *
+simpleUPnPcommand(int s, const char * url, const char * service,
+                  const char * action, struct UPNParg * args,
+                  int * bufsize)
+{
+	char * buf;
+
+#if 1
+	buf = simpleUPnPcommand2((SOCKET)s, url, service, action, args, bufsize, "1.1");
+#else
+	buf = simpleUPnPcommand2((SOCKET)s, url, service, action, args, bufsize, "1.0");
+	if (!buf || *bufsize == 0)
+	{
+#if DEBUG
+	    printf("Error or no result from SOAP request; retrying with HTTP/1.1\n");
+#endif
+		buf = simpleUPnPcommand2((SOCKET)s, url, service, action, args, bufsize, "1.1");
+	}
+#endif
+	return buf;
+}
+
+/* upnpDiscoverDevices() :
+ * return a chained list of all devices found or NULL if
+ * no devices was found.
+ * It is up to the caller to free the chained list
+ * delay is in millisecond (poll).
+ * UDA v1.1 says :
+ *   The TTL for the IP packet SHOULD default to 2 and
+ *   SHOULD be configurable. */
+MINIUPNP_LIBSPEC struct UPNPDev *
+upnpDiscoverDevices(const char * const deviceTypes[],
+                    int delay, const char * multicastif,
+                    const char * minissdpdsock, int localport,
+                    int ipv6, unsigned char ttl,
+                    int * error,
+                    int searchalltypes)
+{
+	struct UPNPDev * tmp;
+	struct UPNPDev * devlist = 0;
+#if !defined(_WIN32) && !defined(__amigaos__) && !defined(__amigaos4__)
+	int deviceIndex;
+#endif /* !defined(_WIN32) && !defined(__amigaos__) && !defined(__amigaos4__) */
+
+	if(error)
+		*error = UPNPDISCOVER_UNKNOWN_ERROR;
+#if !defined(_WIN32) && !defined(__amigaos__) && !defined(__amigaos4__)
+	/* first try to get infos from minissdpd ! */
+	if(!minissdpdsock)
+		minissdpdsock = "/var/run/minissdpd.sock";
+	if(minissdpdsock[0] != '\0') {
+		for(deviceIndex = 0; deviceTypes[deviceIndex]; deviceIndex++) {
+			struct UPNPDev * minissdpd_devlist;
+			int only_rootdevice = 1;
+			minissdpd_devlist = getDevicesFromMiniSSDPD(deviceTypes[deviceIndex],
+			                                            minissdpdsock, 0);
+			if(minissdpd_devlist) {
+#ifdef DEBUG
+				printf("returned by MiniSSDPD: %s\t%s\n",
+				       minissdpd_devlist->st, minissdpd_devlist->descURL);
+#endif /* DEBUG */
+				if(!strstr(minissdpd_devlist->st, "rootdevice"))
+					only_rootdevice = 0;
+				for(tmp = minissdpd_devlist; tmp->pNext != NULL; tmp = tmp->pNext) {
+#ifdef DEBUG
+					printf("returned by MiniSSDPD: %s\t%s\n",
+					       tmp->pNext->st, tmp->pNext->descURL);
+#endif /* DEBUG */
+					if(!strstr(tmp->st, "rootdevice"))
+						only_rootdevice = 0;
+				}
+				tmp->pNext = devlist;
+				devlist = minissdpd_devlist;
+				if(!searchalltypes && !only_rootdevice)
+					break;
+			}
+		}
+	}
+	for(tmp = devlist; tmp != NULL; tmp = tmp->pNext) {
+		/* We return what we have found if it was not only a rootdevice */
+		if(!strstr(tmp->st, "rootdevice")) {
+			if(error)
+				*error = UPNPDISCOVER_SUCCESS;
+			return devlist;
+		}
+	}
+#endif	/* !defined(_WIN32) && !defined(__amigaos__) && !defined(__amigaos4__) */
+
+	/* direct discovery if minissdpd responses are not sufficient */
+	{
+		struct UPNPDev * discovered_devlist;
+		discovered_devlist = ssdpDiscoverDevices(deviceTypes, delay, multicastif, localport,
+		                                         ipv6, ttl, error, searchalltypes);
+		if(devlist == NULL)
+			devlist = discovered_devlist;
+		else {
+			for(tmp = devlist; tmp->pNext != NULL; tmp = tmp->pNext);
+			tmp->pNext = discovered_devlist;
+		}
+	}
+	return devlist;
+}
+
+/* upnpDiscover() Discover IGD device */
+MINIUPNP_LIBSPEC struct UPNPDev *
+upnpDiscover(int delay, const char * multicastif,
+             const char * minissdpdsock, int localport,
+             int ipv6, unsigned char ttl,
+             int * error)
+{
+	static const char * const deviceList[] = {
+#if 0
+		"urn:schemas-upnp-org:device:InternetGatewayDevice:2",
+		"urn:schemas-upnp-org:service:WANIPConnection:2",
+#endif
+		"urn:schemas-upnp-org:device:InternetGatewayDevice:1",
+		"urn:schemas-upnp-org:service:WANIPConnection:1",
+		"urn:schemas-upnp-org:service:WANPPPConnection:1",
+		"upnp:rootdevice",
+		/*"ssdp:all",*/
+		0
+	};
+	return upnpDiscoverDevices(deviceList,
+	                           delay, multicastif, minissdpdsock, localport,
+	                           ipv6, ttl, error, 0);
+}
+
+/* upnpDiscoverAll() Discover all UPnP devices */
+MINIUPNP_LIBSPEC struct UPNPDev *
+upnpDiscoverAll(int delay, const char * multicastif,
+                const char * minissdpdsock, int localport,
+                int ipv6, unsigned char ttl,
+                int * error)
+{
+	static const char * const deviceList[] = {
+		/*"upnp:rootdevice",*/
+		"ssdp:all",
+		0
+	};
+	return upnpDiscoverDevices(deviceList,
+	                           delay, multicastif, minissdpdsock, localport,
+	                           ipv6, ttl, error, 0);
+}
+
+/* upnpDiscoverDevice() Discover a specific device */
+MINIUPNP_LIBSPEC struct UPNPDev *
+upnpDiscoverDevice(const char * device, int delay, const char * multicastif,
+                const char * minissdpdsock, int localport,
+                int ipv6, unsigned char ttl,
+                int * error)
+{
+	const char * const deviceList[] = {
+		device,
+		0
+	};
+	return upnpDiscoverDevices(deviceList,
+	                           delay, multicastif, minissdpdsock, localport,
+	                           ipv6, ttl, error, 0);
+}
+
+static char *
+build_absolute_url(const char * baseurl, const char * descURL,
+                   const char * url, unsigned int scope_id)
+{
+	int l, n;
+	char * s;
+	const char * base;
+	char * p;
+#if defined(IF_NAMESIZE) && !defined(_WIN32)
+	char ifname[IF_NAMESIZE];
+#else /* defined(IF_NAMESIZE) && !defined(_WIN32) */
+	char scope_str[8];
+#endif	/* defined(IF_NAMESIZE) && !defined(_WIN32) */
+
+	if(  (url[0] == 'h')
+	   &&(url[1] == 't')
+	   &&(url[2] == 't')
+	   &&(url[3] == 'p')
+	   &&(url[4] == ':')
+	   &&(url[5] == '/')
+	   &&(url[6] == '/'))
+		return strdup(url);
+	base = (baseurl[0] == '\0') ? descURL : baseurl;
+	n = strlen(base);
+	if(n > 7) {
+		p = strchr(base + 7, '/');
+		if(p)
+			n = p - base;
+	}
+	l = n + strlen(url) + 1;
+	if(url[0] != '/')
+		l++;
+	if(scope_id != 0) {
+#if defined(IF_NAMESIZE) && !defined(_WIN32)
+		if(if_indextoname(scope_id, ifname)) {
+			l += 3 + strlen(ifname);	/* 3 == strlen(%25) */
+		}
+#else /* defined(IF_NAMESIZE) && !defined(_WIN32) */
+		/* under windows, scope is numerical */
+		l += 3 + snprintf(scope_str, sizeof(scope_str), "%u", scope_id);
+#endif /* defined(IF_NAMESIZE) && !defined(_WIN32) */
+	}
+	s = malloc(l);
+	if(s == NULL) return NULL;
+	memcpy(s, base, n);
+	if(scope_id != 0) {
+		s[n] = '\0';
+		if(0 == memcmp(s, "http://[fe80:", 13)) {
+			/* this is a linklocal IPv6 address */
+			p = strchr(s, ']');
+			if(p) {
+				/* insert %25<scope> into URL */
+#if defined(IF_NAMESIZE) && !defined(_WIN32)
+				memmove(p + 3 + strlen(ifname), p, strlen(p) + 1);
+				memcpy(p, "%25", 3);
+				memcpy(p + 3, ifname, strlen(ifname));
+				n += 3 + strlen(ifname);
+#else /* defined(IF_NAMESIZE) && !defined(_WIN32) */
+				memmove(p + 3 + strlen(scope_str), p, strlen(p) + 1);
+				memcpy(p, "%25", 3);
+				memcpy(p + 3, scope_str, strlen(scope_str));
+				n += 3 + strlen(scope_str);
+#endif /* defined(IF_NAMESIZE) && !defined(_WIN32) */
+			}
+		}
+	}
+	if(url[0] != '/')
+		s[n++] = '/';
+	memcpy(s + n, url, l - n);
+	return s;
+}
+
+/* Prepare the Urls for usage...
+ */
+MINIUPNP_LIBSPEC void
+GetUPNPUrls(struct UPNPUrls * urls, struct IGDdatas * data,
+            const char * descURL, unsigned int scope_id)
+{
+	/* strdup descURL */
+	urls->rootdescURL = strdup(descURL);
+
+	/* get description of WANIPConnection */
+	urls->ipcondescURL = build_absolute_url(data->urlbase, descURL,
+	                                        data->first.scpdurl, scope_id);
+	urls->controlURL = build_absolute_url(data->urlbase, descURL,
+	                                      data->first.controlurl, scope_id);
+	urls->controlURL_CIF = build_absolute_url(data->urlbase, descURL,
+	                                          data->CIF.controlurl, scope_id);
+	urls->controlURL_6FC = build_absolute_url(data->urlbase, descURL,
+	                                          data->IPv6FC.controlurl, scope_id);
+
+#ifdef DEBUG
+	printf("urls->ipcondescURL='%s'\n", urls->ipcondescURL);
+	printf("urls->controlURL='%s'\n", urls->controlURL);
+	printf("urls->controlURL_CIF='%s'\n", urls->controlURL_CIF);
+	printf("urls->controlURL_6FC='%s'\n", urls->controlURL_6FC);
+#endif
+}
+
+MINIUPNP_LIBSPEC void
+FreeUPNPUrls(struct UPNPUrls * urls)
+{
+	if(!urls)
+		return;
+	free(urls->controlURL);
+	urls->controlURL = 0;
+	free(urls->ipcondescURL);
+	urls->ipcondescURL = 0;
+	free(urls->controlURL_CIF);
+	urls->controlURL_CIF = 0;
+	free(urls->controlURL_6FC);
+	urls->controlURL_6FC = 0;
+	free(urls->rootdescURL);
+	urls->rootdescURL = 0;
+}
+
+int
+UPNPIGD_IsConnected(struct UPNPUrls * urls, struct IGDdatas * data)
+{
+	char status[64];
+	unsigned int uptime;
+	status[0] = '\0';
+	UPNP_GetStatusInfo(urls->controlURL, data->first.servicetype,
+	                   status, &uptime, NULL);
+	if(0 == strcmp("Connected", status))
+		return 1;
+	else if(0 == strcmp("Up", status))	/* Also accept "Up" */
+		return 1;
+	else
+		return 0;
+}
+
+
+/* UPNP_GetValidIGD() :
+ * return values :
+ *    -1 = Internal error
+ *     0 = NO IGD found
+ *     1 = A valid connected IGD has been found
+ *     2 = A valid IGD has been found but it reported as
+ *         not connected
+ *     3 = an UPnP device has been found but was not recognized as an IGD
+ *
+ * In any positive non zero return case, the urls and data structures
+ * passed as parameters are set. Don't forget to call FreeUPNPUrls(urls) to
+ * free allocated memory.
+ */
+MINIUPNP_LIBSPEC int
+UPNP_GetValidIGD(struct UPNPDev * devlist,
+                 struct UPNPUrls * urls,
+				 struct IGDdatas * data,
+				 char * lanaddr, int lanaddrlen)
+{
+	struct xml_desc {
+		char * xml;
+		int size;
+		int is_igd;
+	} * desc = NULL;
+	struct UPNPDev * dev;
+	int ndev = 0;
+	int i;
+	int state = -1; /* state 1 : IGD connected. State 2 : IGD. State 3 : anything */
+	int n_igd = 0;
+	char extIpAddr[16];
+	char myLanAddr[40];
+	int status_code = -1;
+
+	if(!devlist)
+	{
+#ifdef DEBUG
+		printf("Empty devlist\n");
+#endif
+		return 0;
+	}
+	/* counting total number of devices in the list */
+	for(dev = devlist; dev; dev = dev->pNext)
+		ndev++;
+	if(ndev > 0)
+	{
+		desc = calloc(ndev, sizeof(struct xml_desc));
+		if(!desc)
+			return -1; /* memory allocation error */
+	}
+	/* Step 1 : downloading descriptions and testing type */
+	for(dev = devlist, i = 0; dev; dev = dev->pNext, i++)
+	{
+		/* we should choose an internet gateway device.
+		 * with st == urn:schemas-upnp-org:device:InternetGatewayDevice:1 */
+		desc[i].xml = miniwget_getaddr(dev->descURL, &(desc[i].size),
+		                               myLanAddr, sizeof(myLanAddr),
+		                               dev->scope_id, &status_code);
+#ifdef DEBUG
+		if(!desc[i].xml)
+		{
+			printf("error getting XML description %s\n", dev->descURL);
+		}
+#endif
+		if(desc[i].xml)
+		{
+			memset(data, 0, sizeof(struct IGDdatas));
+			memset(urls, 0, sizeof(struct UPNPUrls));
+			parserootdesc(desc[i].xml, desc[i].size, data);
+			if(COMPARE(data->CIF.servicetype,
+			           "urn:schemas-upnp-org:service:WANCommonInterfaceConfig:"))
+			{
+				desc[i].is_igd = 1;
+				n_igd++;
+				if(lanaddr)
+					strncpy(lanaddr, myLanAddr, lanaddrlen);
+			}
+		}
+	}
+	/* iterate the list to find a device depending on state */
+	for(state = 1; state <= 3; state++)
+	{
+		for(dev = devlist, i = 0; dev; dev = dev->pNext, i++)
+		{
+			if(desc[i].xml)
+			{
+				memset(data, 0, sizeof(struct IGDdatas));
+				memset(urls, 0, sizeof(struct UPNPUrls));
+				parserootdesc(desc[i].xml, desc[i].size, data);
+				if(desc[i].is_igd || state >= 3 )
+				{
+				  int is_connected;
+
+				  GetUPNPUrls(urls, data, dev->descURL, dev->scope_id);
+
+				  /* in state 2 and 3 we don't test if device is connected ! */
+				  if(state >= 2)
+				    goto free_and_return;
+				  is_connected = UPNPIGD_IsConnected(urls, data);
+#ifdef DEBUG
+				  printf("UPNPIGD_IsConnected(%s) = %d\n",
+				     urls->controlURL, is_connected);
+#endif
+				  /* checks that status is connected AND there is a external IP address assigned */
+				  if(is_connected &&
+				     (UPNP_GetExternalIPAddress(urls->controlURL,  data->first.servicetype, extIpAddr) == 0)) {
+					if(!is_rfc1918addr(extIpAddr) && (extIpAddr[0] != '\0')
+					   && (0 != strcmp(extIpAddr, "0.0.0.0")))
+					  goto free_and_return;
+				  }
+				  FreeUPNPUrls(urls);
+				  if(data->second.servicetype[0] != '\0') {
+#ifdef DEBUG
+				    printf("We tried %s, now we try %s !\n",
+				           data->first.servicetype, data->second.servicetype);
+#endif
+				    /* swaping WANPPPConnection and WANIPConnection ! */
+				    memcpy(&data->tmp, &data->first, sizeof(struct IGDdatas_service));
+				    memcpy(&data->first, &data->second, sizeof(struct IGDdatas_service));
+				    memcpy(&data->second, &data->tmp, sizeof(struct IGDdatas_service));
+				    GetUPNPUrls(urls, data, dev->descURL, dev->scope_id);
+				    is_connected = UPNPIGD_IsConnected(urls, data);
+#ifdef DEBUG
+				    printf("UPNPIGD_IsConnected(%s) = %d\n",
+				       urls->controlURL, is_connected);
+#endif
+				    if(is_connected &&
+				       (UPNP_GetExternalIPAddress(urls->controlURL,  data->first.servicetype, extIpAddr) == 0)) {
+					  if(!is_rfc1918addr(extIpAddr) && (extIpAddr[0] != '\0')
+					     && (0 != strcmp(extIpAddr, "0.0.0.0")))
+					    goto free_and_return;
+				    }
+				    FreeUPNPUrls(urls);
+				  }
+				}
+				memset(data, 0, sizeof(struct IGDdatas));
+			}
+		}
+	}
+	state = 0;
+free_and_return:
+	if(desc) {
+		for(i = 0; i < ndev; i++) {
+			if(desc[i].xml) {
+				free(desc[i].xml);
+			}
+		}
+		free(desc);
+	}
+	return state;
+}
+
+/* UPNP_GetIGDFromUrl()
+ * Used when skipping the discovery process.
+ * return value :
+ *   0 - Not ok
+ *   1 - OK */
+int
+UPNP_GetIGDFromUrl(const char * rootdescurl,
+                   struct UPNPUrls * urls,
+                   struct IGDdatas * data,
+                   char * lanaddr, int lanaddrlen)
+{
+	char * descXML;
+	int descXMLsize = 0;
+
+	descXML = miniwget_getaddr(rootdescurl, &descXMLsize,
+	                           lanaddr, lanaddrlen, 0, NULL);
+	if(descXML) {
+		memset(data, 0, sizeof(struct IGDdatas));
+		memset(urls, 0, sizeof(struct UPNPUrls));
+		parserootdesc(descXML, descXMLsize, data);
+		free(descXML);
+		descXML = NULL;
+		GetUPNPUrls(urls, data, rootdescurl, 0);
+		return 1;
+	} else {
+		return 0;
+	}
+}
+
diff --git a/thirdparty/miniupnpc/miniupnpc.def b/thirdparty/miniupnpc/miniupnpc.def
new file mode 100644
index 0000000000..60e0bbe423
--- /dev/null
+++ b/thirdparty/miniupnpc/miniupnpc.def
@@ -0,0 +1,45 @@
+LIBRARY
+; miniupnpc library
+   miniupnpc
+
+EXPORTS
+; miniupnpc
+   upnpDiscover
+   freeUPNPDevlist
+   parserootdesc
+   UPNP_GetValidIGD
+   UPNP_GetIGDFromUrl
+   GetUPNPUrls
+   FreeUPNPUrls
+; miniwget
+   miniwget
+   miniwget_getaddr
+; upnpcommands
+   UPNP_GetTotalBytesSent
+   UPNP_GetTotalBytesReceived
+   UPNP_GetTotalPacketsSent
+   UPNP_GetTotalPacketsReceived
+   UPNP_GetStatusInfo
+   UPNP_GetConnectionTypeInfo
+   UPNP_GetExternalIPAddress
+   UPNP_GetLinkLayerMaxBitRates
+   UPNP_AddPortMapping
+   UPNP_AddAnyPortMapping
+   UPNP_DeletePortMapping
+   UPNP_DeletePortMappingRange
+   UPNP_GetPortMappingNumberOfEntries
+   UPNP_GetSpecificPortMappingEntry
+   UPNP_GetGenericPortMappingEntry
+   UPNP_GetListOfPortMappings
+   UPNP_AddPinhole
+   UPNP_CheckPinholeWorking
+   UPNP_UpdatePinhole
+   UPNP_GetPinholePackets
+   UPNP_DeletePinhole
+   UPNP_GetFirewallStatus
+   UPNP_GetOutboundPinholeTimeout
+; upnperrors
+   strupnperror
+; portlistingparse
+   ParsePortListing
+   FreePortListing
diff --git a/thirdparty/miniupnpc/miniupnpc.h b/thirdparty/miniupnpc/miniupnpc.h
new file mode 100644
index 0000000000..8ddc282bd1
--- /dev/null
+++ b/thirdparty/miniupnpc/miniupnpc.h
@@ -0,0 +1,153 @@
+/* $Id: miniupnpc.h,v 1.53 2018/05/07 11:05:16 nanard Exp $ */
+/* vim: tabstop=4 shiftwidth=4 noexpandtab
+ * Project: miniupnp
+ * http://miniupnp.free.fr/
+ * Author: Thomas Bernard
+ * Copyright (c) 2005-2018 Thomas Bernard
+ * This software is subjects to the conditions detailed
+ * in the LICENCE file provided within this distribution */
+#ifndef MINIUPNPC_H_INCLUDED
+#define MINIUPNPC_H_INCLUDED
+
+#include "miniupnpc_declspec.h"
+#include "igd_desc_parse.h"
+#include "upnpdev.h"
+
+/* error codes : */
+#define UPNPDISCOVER_SUCCESS (0)
+#define UPNPDISCOVER_UNKNOWN_ERROR (-1)
+#define UPNPDISCOVER_SOCKET_ERROR (-101)
+#define UPNPDISCOVER_MEMORY_ERROR (-102)
+
+/* versions : */
+#define MINIUPNPC_VERSION	"2.1"
+#define MINIUPNPC_API_VERSION	17
+
+/* Source port:
+   Using "1" as an alias for 1900 for backwards compatibility
+   (presuming one would have used that for the "sameport" parameter) */
+#define UPNP_LOCAL_PORT_ANY     0
+#define UPNP_LOCAL_PORT_SAME    1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Structures definitions : */
+struct UPNParg { const char * elt; const char * val; };
+
+char *
+simpleUPnPcommand(int, const char *, const char *,
+                  const char *, struct UPNParg *,
+                  int *);
+
+/* upnpDiscover()
+ * discover UPnP devices on the network.
+ * The discovered devices are returned as a chained list.
+ * It is up to the caller to free the list with freeUPNPDevlist().
+ * delay (in millisecond) is the maximum time for waiting any device
+ * response.
+ * If available, device list will be obtained from MiniSSDPd.
+ * Default path for minissdpd socket will be used if minissdpdsock argument
+ * is NULL.
+ * If multicastif is not NULL, it will be used instead of the default
+ * multicast interface for sending SSDP discover packets.
+ * If localport is set to UPNP_LOCAL_PORT_SAME(1) SSDP packets will be sent
+ * from the source port 1900 (same as destination port), if set to
+ * UPNP_LOCAL_PORT_ANY(0) system assign a source port, any other value will
+ * be attempted as the source port.
+ * "searchalltypes" parameter is useful when searching several types,
+ * if 0, the discovery will stop with the first type returning results.
+ * TTL should default to 2. */
+MINIUPNP_LIBSPEC struct UPNPDev *
+upnpDiscover(int delay, const char * multicastif,
+             const char * minissdpdsock, int localport,
+             int ipv6, unsigned char ttl,
+             int * error);
+
+MINIUPNP_LIBSPEC struct UPNPDev *
+upnpDiscoverAll(int delay, const char * multicastif,
+                const char * minissdpdsock, int localport,
+                int ipv6, unsigned char ttl,
+                int * error);
+
+MINIUPNP_LIBSPEC struct UPNPDev *
+upnpDiscoverDevice(const char * device, int delay, const char * multicastif,
+                const char * minissdpdsock, int localport,
+                int ipv6, unsigned char ttl,
+                int * error);
+
+MINIUPNP_LIBSPEC struct UPNPDev *
+upnpDiscoverDevices(const char * const deviceTypes[],
+                    int delay, const char * multicastif,
+                    const char * minissdpdsock, int localport,
+                    int ipv6, unsigned char ttl,
+                    int * error,
+                    int searchalltypes);
+
+/* parserootdesc() :
+ * parse root XML description of a UPnP device and fill the IGDdatas
+ * structure. */
+MINIUPNP_LIBSPEC void parserootdesc(const char *, int, struct IGDdatas *);
+
+/* structure used to get fast access to urls
+ * controlURL: controlURL of the WANIPConnection
+ * ipcondescURL: url of the description of the WANIPConnection
+ * controlURL_CIF: controlURL of the WANCommonInterfaceConfig
+ * controlURL_6FC: controlURL of the WANIPv6FirewallControl
+ */
+struct UPNPUrls {
+	char * controlURL;
+	char * ipcondescURL;
+	char * controlURL_CIF;
+	char * controlURL_6FC;
+	char * rootdescURL;
+};
+
+/* UPNP_GetValidIGD() :
+ * return values :
+ *     0 = NO IGD found
+ *     1 = A valid connected IGD has been found
+ *     2 = A valid IGD has been found but it reported as
+ *         not connected
+ *     3 = an UPnP device has been found but was not recognized as an IGD
+ *
+ * In any non zero return case, the urls and data structures
+ * passed as parameters are set. Donc forget to call FreeUPNPUrls(urls) to
+ * free allocated memory.
+ */
+MINIUPNP_LIBSPEC int
+UPNP_GetValidIGD(struct UPNPDev * devlist,
+                 struct UPNPUrls * urls,
+				 struct IGDdatas * data,
+				 char * lanaddr, int lanaddrlen);
+
+/* UPNP_GetIGDFromUrl()
+ * Used when skipping the discovery process.
+ * When succeding, urls, data, and lanaddr arguments are set.
+ * return value :
+ *   0 - Not ok
+ *   1 - OK */
+MINIUPNP_LIBSPEC int
+UPNP_GetIGDFromUrl(const char * rootdescurl,
+                   struct UPNPUrls * urls,
+                   struct IGDdatas * data,
+                   char * lanaddr, int lanaddrlen);
+
+MINIUPNP_LIBSPEC void
+GetUPNPUrls(struct UPNPUrls *, struct IGDdatas *,
+            const char *, unsigned int);
+
+MINIUPNP_LIBSPEC void
+FreeUPNPUrls(struct UPNPUrls *);
+
+/* return 0 or 1 */
+MINIUPNP_LIBSPEC int UPNPIGD_IsConnected(struct UPNPUrls *, struct IGDdatas *);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
diff --git a/thirdparty/miniupnpc/miniupnpc/miniupnpc.h b/thirdparty/miniupnpc/miniupnpc/miniupnpc.h
new file mode 100644
index 0000000000..8ddc282bd1
--- /dev/null
+++ b/thirdparty/miniupnpc/miniupnpc/miniupnpc.h
@@ -0,0 +1,153 @@
+/* $Id: miniupnpc.h,v 1.53 2018/05/07 11:05:16 nanard Exp $ */
+/* vim: tabstop=4 shiftwidth=4 noexpandtab
+ * Project: miniupnp
+ * http://miniupnp.free.fr/
+ * Author: Thomas Bernard
+ * Copyright (c) 2005-2018 Thomas Bernard
+ * This software is subjects to the conditions detailed
+ * in the LICENCE file provided within this distribution */
+#ifndef MINIUPNPC_H_INCLUDED
+#define MINIUPNPC_H_INCLUDED
+
+#include "miniupnpc_declspec.h"
+#include "igd_desc_parse.h"
+#include "upnpdev.h"
+
+/* error codes : */
+#define UPNPDISCOVER_SUCCESS (0)
+#define UPNPDISCOVER_UNKNOWN_ERROR (-1)
+#define UPNPDISCOVER_SOCKET_ERROR (-101)
+#define UPNPDISCOVER_MEMORY_ERROR (-102)
+
+/* versions : */
+#define MINIUPNPC_VERSION	"2.1"
+#define MINIUPNPC_API_VERSION	17
+
+/* Source port:
+   Using "1" as an alias for 1900 for backwards compatibility
+   (presuming one would have used that for the "sameport" parameter) */
+#define UPNP_LOCAL_PORT_ANY     0
+#define UPNP_LOCAL_PORT_SAME    1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Structures definitions : */
+struct UPNParg { const char * elt; const char * val; };
+
+char *
+simpleUPnPcommand(int, const char *, const char *,
+                  const char *, struct UPNParg *,
+                  int *);
+
+/* upnpDiscover()
+ * discover UPnP devices on the network.
+ * The discovered devices are returned as a chained list.
+ * It is up to the caller to free the list with freeUPNPDevlist().
+ * delay (in millisecond) is the maximum time for waiting any device
+ * response.
+ * If available, device list will be obtained from MiniSSDPd.
+ * Default path for minissdpd socket will be used if minissdpdsock argument
+ * is NULL.
+ * If multicastif is not NULL, it will be used instead of the default
+ * multicast interface for sending SSDP discover packets.
+ * If localport is set to UPNP_LOCAL_PORT_SAME(1) SSDP packets will be sent
+ * from the source port 1900 (same as destination port), if set to
+ * UPNP_LOCAL_PORT_ANY(0) system assign a source port, any other value will
+ * be attempted as the source port.
+ * "searchalltypes" parameter is useful when searching several types,
+ * if 0, the discovery will stop with the first type returning results.
+ * TTL should default to 2. */
+MINIUPNP_LIBSPEC struct UPNPDev *
+upnpDiscover(int delay, const char * multicastif,
+             const char * minissdpdsock, int localport,
+             int ipv6, unsigned char ttl,
+             int * error);
+
+MINIUPNP_LIBSPEC struct UPNPDev *
+upnpDiscoverAll(int delay, const char * multicastif,
+                const char * minissdpdsock, int localport,
+                int ipv6, unsigned char ttl,
+                int * error);
+
+MINIUPNP_LIBSPEC struct UPNPDev *
+upnpDiscoverDevice(const char * device, int delay, const char * multicastif,
+                const char * minissdpdsock, int localport,
+                int ipv6, unsigned char ttl,
+                int * error);
+
+MINIUPNP_LIBSPEC struct UPNPDev *
+upnpDiscoverDevices(const char * const deviceTypes[],
+                    int delay, const char * multicastif,
+                    const char * minissdpdsock, int localport,
+                    int ipv6, unsigned char ttl,
+                    int * error,
+                    int searchalltypes);
+
+/* parserootdesc() :
+ * parse root XML description of a UPnP device and fill the IGDdatas
+ * structure. */
+MINIUPNP_LIBSPEC void parserootdesc(const char *, int, struct IGDdatas *);
+
+/* structure used to get fast access to urls
+ * controlURL: controlURL of the WANIPConnection
+ * ipcondescURL: url of the description of the WANIPConnection
+ * controlURL_CIF: controlURL of the WANCommonInterfaceConfig
+ * controlURL_6FC: controlURL of the WANIPv6FirewallControl
+ */
+struct UPNPUrls {
+	char * controlURL;
+	char * ipcondescURL;
+	char * controlURL_CIF;
+	char * controlURL_6FC;
+	char * rootdescURL;
+};
+
+/* UPNP_GetValidIGD() :
+ * return values :
+ *     0 = NO IGD found
+ *     1 = A valid connected IGD has been found
+ *     2 = A valid IGD has been found but it reported as
+ *         not connected
+ *     3 = an UPnP device has been found but was not recognized as an IGD
+ *
+ * In any non zero return case, the urls and data structures
+ * passed as parameters are set. Donc forget to call FreeUPNPUrls(urls) to
+ * free allocated memory.
+ */
+MINIUPNP_LIBSPEC int
+UPNP_GetValidIGD(struct UPNPDev * devlist,
+                 struct UPNPUrls * urls,
+				 struct IGDdatas * data,
+				 char * lanaddr, int lanaddrlen);
+
+/* UPNP_GetIGDFromUrl()
+ * Used when skipping the discovery process.
+ * When succeding, urls, data, and lanaddr arguments are set.
+ * return value :
+ *   0 - Not ok
+ *   1 - OK */
+MINIUPNP_LIBSPEC int
+UPNP_GetIGDFromUrl(const char * rootdescurl,
+                   struct UPNPUrls * urls,
+                   struct IGDdatas * data,
+                   char * lanaddr, int lanaddrlen);
+
+MINIUPNP_LIBSPEC void
+GetUPNPUrls(struct UPNPUrls *, struct IGDdatas *,
+            const char *, unsigned int);
+
+MINIUPNP_LIBSPEC void
+FreeUPNPUrls(struct UPNPUrls *);
+
+/* return 0 or 1 */
+MINIUPNP_LIBSPEC int UPNPIGD_IsConnected(struct UPNPUrls *, struct IGDdatas *);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
diff --git a/thirdparty/miniupnpc/miniupnpc/miniwget.h b/thirdparty/miniupnpc/miniupnpc/miniwget.h
new file mode 100644
index 0000000000..f5572c2544
--- /dev/null
+++ b/thirdparty/miniupnpc/miniupnpc/miniwget.h
@@ -0,0 +1,27 @@
+/* $Id: miniwget.h,v 1.12 2016/01/24 17:24:36 nanard Exp $ */
+/* Project : miniupnp
+ * Author : Thomas Bernard
+ * Copyright (c) 2005-2016 Thomas Bernard
+ * This software is subject to the conditions detailed in the
+ * LICENCE file provided in this distribution.
+ * */
+#ifndef MINIWGET_H_INCLUDED
+#define MINIWGET_H_INCLUDED
+
+#include "miniupnpc_declspec.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+MINIUPNP_LIBSPEC void * miniwget(const char *, int *, unsigned int, int *);
+
+MINIUPNP_LIBSPEC void * miniwget_getaddr(const char *, int *, char *, int, unsigned int, int *);
+
+int parseURL(const char *, char *, unsigned short *, char * *, unsigned int *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/thirdparty/miniupnpc/miniupnpc/upnpcommands.h b/thirdparty/miniupnpc/miniupnpc/upnpcommands.h
new file mode 100644
index 0000000000..0c6d501666
--- /dev/null
+++ b/thirdparty/miniupnpc/miniupnpc/upnpcommands.h
@@ -0,0 +1,348 @@
+/* $Id: upnpcommands.h,v 1.32 2018/03/13 23:34:47 nanard Exp $ */
+/* Miniupnp project : http://miniupnp.free.fr/
+ * Author : Thomas Bernard
+ * Copyright (c) 2005-2018 Thomas Bernard
+ * This software is subject to the conditions detailed in the
+ * LICENCE file provided within this distribution */
+#ifndef UPNPCOMMANDS_H_INCLUDED
+#define UPNPCOMMANDS_H_INCLUDED
+
+#include "miniupnpc_declspec.h"
+#include "miniupnpctypes.h"
+
+/* MiniUPnPc return codes : */
+#define UPNPCOMMAND_SUCCESS (0)
+#define UPNPCOMMAND_UNKNOWN_ERROR (-1)
+#define UPNPCOMMAND_INVALID_ARGS (-2)
+#define UPNPCOMMAND_HTTP_ERROR (-3)
+#define UPNPCOMMAND_INVALID_RESPONSE (-4)
+#define UPNPCOMMAND_MEM_ALLOC_ERROR (-5)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct PortMappingParserData;
+
+MINIUPNP_LIBSPEC UNSIGNED_INTEGER
+UPNP_GetTotalBytesSent(const char * controlURL,
+					const char * servicetype);
+
+MINIUPNP_LIBSPEC UNSIGNED_INTEGER
+UPNP_GetTotalBytesReceived(const char * controlURL,
+						const char * servicetype);
+
+MINIUPNP_LIBSPEC UNSIGNED_INTEGER
+UPNP_GetTotalPacketsSent(const char * controlURL,
+					const char * servicetype);
+
+MINIUPNP_LIBSPEC UNSIGNED_INTEGER
+UPNP_GetTotalPacketsReceived(const char * controlURL,
+					const char * servicetype);
+
+/* UPNP_GetStatusInfo()
+ * status and lastconnerror are 64 byte buffers
+ * Return values :
+ * UPNPCOMMAND_SUCCESS, UPNPCOMMAND_INVALID_ARGS, UPNPCOMMAND_UNKNOWN_ERROR
+ * or a UPnP Error code */
+MINIUPNP_LIBSPEC int
+UPNP_GetStatusInfo(const char * controlURL,
+			       const char * servicetype,
+				   char * status,
+				   unsigned int * uptime,
+                   char * lastconnerror);
+
+/* UPNP_GetConnectionTypeInfo()
+ * argument connectionType is a 64 character buffer
+ * Return Values :
+ * UPNPCOMMAND_SUCCESS, UPNPCOMMAND_INVALID_ARGS, UPNPCOMMAND_UNKNOWN_ERROR
+ * or a UPnP Error code */
+MINIUPNP_LIBSPEC int
+UPNP_GetConnectionTypeInfo(const char * controlURL,
+                           const char * servicetype,
+						   char * connectionType);
+
+/* UPNP_GetExternalIPAddress() call the corresponding UPNP method.
+ * if the third arg is not null the value is copied to it.
+ * at least 16 bytes must be available
+ *
+ * Return values :
+ * 0 : SUCCESS
+ * NON ZERO : ERROR Either an UPnP error code or an unknown error.
+ *
+ * possible UPnP Errors :
+ * 402 Invalid Args - See UPnP Device Architecture section on Control.
+ * 501 Action Failed - See UPnP Device Architecture section on Control. */
+MINIUPNP_LIBSPEC int
+UPNP_GetExternalIPAddress(const char * controlURL,
+                          const char * servicetype,
+                          char * extIpAdd);
+
+/* UPNP_GetLinkLayerMaxBitRates()
+ * call WANCommonInterfaceConfig:1#GetCommonLinkProperties
+ *
+ * return values :
+ * UPNPCOMMAND_SUCCESS, UPNPCOMMAND_INVALID_ARGS, UPNPCOMMAND_UNKNOWN_ERROR
+ * or a UPnP Error Code. */
+MINIUPNP_LIBSPEC int
+UPNP_GetLinkLayerMaxBitRates(const char* controlURL,
+							const char* servicetype,
+							unsigned int * bitrateDown,
+							unsigned int * bitrateUp);
+
+/* UPNP_AddPortMapping()
+ * if desc is NULL, it will be defaulted to "libminiupnpc"
+ * remoteHost is usually NULL because IGD don't support it.
+ *
+ * Return values :
+ * 0 : SUCCESS
+ * NON ZERO : ERROR. Either an UPnP error code or an unknown error.
+ *
+ * List of possible UPnP errors for AddPortMapping :
+ * errorCode errorDescription (short) - Description (long)
+ * 402 Invalid Args - See UPnP Device Architecture section on Control.
+ * 501 Action Failed - See UPnP Device Architecture section on Control.
+ * 606 Action not authorized - The action requested REQUIRES authorization and
+ *                             the sender was not authorized.
+ * 715 WildCardNotPermittedInSrcIP - The source IP address cannot be
+ *                                   wild-carded
+ * 716 WildCardNotPermittedInExtPort - The external port cannot be wild-carded
+ * 718 ConflictInMappingEntry - The port mapping entry specified conflicts
+ *                     with a mapping assigned previously to another client
+ * 724 SamePortValuesRequired - Internal and External port values
+ *                              must be the same
+ * 725 OnlyPermanentLeasesSupported - The NAT implementation only supports
+ *                  permanent lease times on port mappings
+ * 726 RemoteHostOnlySupportsWildcard - RemoteHost must be a wildcard
+ *                             and cannot be a specific IP address or DNS name
+ * 727 ExternalPortOnlySupportsWildcard - ExternalPort must be a wildcard and
+ *                                        cannot be a specific port value
+ * 728 NoPortMapsAvailable - There are not enough free ports available to
+ *                           complete port mapping.
+ * 729 ConflictWithOtherMechanisms - Attempted port mapping is not allowed
+ *                                   due to conflict with other mechanisms.
+ * 732 WildCardNotPermittedInIntPort - The internal port cannot be wild-carded
+ */
+MINIUPNP_LIBSPEC int
+UPNP_AddPortMapping(const char * controlURL, const char * servicetype,
+		    const char * extPort,
+		    const char * inPort,
+		    const char * inClient,
+		    const char * desc,
+		    const char * proto,
+		    const char * remoteHost,
+		    const char * leaseDuration);
+
+/* UPNP_AddAnyPortMapping()
+ * if desc is NULL, it will be defaulted to "libminiupnpc"
+ * remoteHost is usually NULL because IGD don't support it.
+ *
+ * Return values :
+ * 0 : SUCCESS
+ * NON ZERO : ERROR. Either an UPnP error code or an unknown error.
+ *
+ * List of possible UPnP errors for AddPortMapping :
+ * errorCode errorDescription (short) - Description (long)
+ * 402 Invalid Args - See UPnP Device Architecture section on Control.
+ * 501 Action Failed - See UPnP Device Architecture section on Control.
+ * 606 Action not authorized - The action requested REQUIRES authorization and
+ *                             the sender was not authorized.
+ * 715 WildCardNotPermittedInSrcIP - The source IP address cannot be
+ *                                   wild-carded
+ * 716 WildCardNotPermittedInExtPort - The external port cannot be wild-carded
+ * 728 NoPortMapsAvailable - There are not enough free ports available to
+ *                           complete port mapping.
+ * 729 ConflictWithOtherMechanisms - Attempted port mapping is not allowed
+ *                                   due to conflict with other mechanisms.
+ * 732 WildCardNotPermittedInIntPort - The internal port cannot be wild-carded
+ */
+MINIUPNP_LIBSPEC int
+UPNP_AddAnyPortMapping(const char * controlURL, const char * servicetype,
+		       const char * extPort,
+		       const char * inPort,
+		       const char * inClient,
+		       const char * desc,
+		       const char * proto,
+		       const char * remoteHost,
+		       const char * leaseDuration,
+		       char * reservedPort);
+
+/* UPNP_DeletePortMapping()
+ * Use same argument values as what was used for AddPortMapping().
+ * remoteHost is usually NULL because IGD don't support it.
+ * Return Values :
+ * 0 : SUCCESS
+ * NON ZERO : error. Either an UPnP error code or an undefined error.
+ *
+ * List of possible UPnP errors for DeletePortMapping :
+ * 402 Invalid Args - See UPnP Device Architecture section on Control.
+ * 606 Action not authorized - The action requested REQUIRES authorization
+ *                             and the sender was not authorized.
+ * 714 NoSuchEntryInArray - The specified value does not exist in the array */
+MINIUPNP_LIBSPEC int
+UPNP_DeletePortMapping(const char * controlURL, const char * servicetype,
+		       const char * extPort, const char * proto,
+		       const char * remoteHost);
+
+/* UPNP_DeletePortRangeMapping()
+ * Use same argument values as what was used for AddPortMapping().
+ * remoteHost is usually NULL because IGD don't support it.
+ * Return Values :
+ * 0 : SUCCESS
+ * NON ZERO : error. Either an UPnP error code or an undefined error.
+ *
+ * List of possible UPnP errors for DeletePortMapping :
+ * 606 Action not authorized - The action requested REQUIRES authorization
+ *                             and the sender was not authorized.
+ * 730 PortMappingNotFound - This error message is returned if no port
+ *			     mapping is found in the specified range.
+ * 733 InconsistentParameters - NewStartPort and NewEndPort values are not consistent. */
+MINIUPNP_LIBSPEC int
+UPNP_DeletePortMappingRange(const char * controlURL, const char * servicetype,
+        		    const char * extPortStart, const char * extPortEnd,
+        		    const char * proto,
+        		    const char * manage);
+
+/* UPNP_GetPortMappingNumberOfEntries()
+ * not supported by all routers */
+MINIUPNP_LIBSPEC int
+UPNP_GetPortMappingNumberOfEntries(const char* controlURL,
+                                   const char* servicetype,
+                                   unsigned int * num);
+
+/* UPNP_GetSpecificPortMappingEntry()
+ *    retrieves an existing port mapping
+ * params :
+ *  in   extPort
+ *  in   proto
+ *  in   remoteHost
+ *  out  intClient (16 bytes)
+ *  out  intPort (6 bytes)
+ *  out  desc (80 bytes)
+ *  out  enabled (4 bytes)
+ *  out  leaseDuration (16 bytes)
+ *
+ * return value :
+ * UPNPCOMMAND_SUCCESS, UPNPCOMMAND_INVALID_ARGS, UPNPCOMMAND_UNKNOWN_ERROR
+ * or a UPnP Error Code.
+ *
+ * List of possible UPnP errors for _GetSpecificPortMappingEntry :
+ * 402 Invalid Args - See UPnP Device Architecture section on Control.
+ * 501 Action Failed - See UPnP Device Architecture section on Control.
+ * 606 Action not authorized - The action requested REQUIRES authorization
+ *                             and the sender was not authorized.
+ * 714 NoSuchEntryInArray - The specified value does not exist in the array.
+ */
+MINIUPNP_LIBSPEC int
+UPNP_GetSpecificPortMappingEntry(const char * controlURL,
+                                 const char * servicetype,
+                                 const char * extPort,
+                                 const char * proto,
+                                 const char * remoteHost,
+                                 char * intClient,
+                                 char * intPort,
+                                 char * desc,
+                                 char * enabled,
+                                 char * leaseDuration);
+
+/* UPNP_GetGenericPortMappingEntry()
+ * params :
+ *  in   index
+ *  out  extPort (6 bytes)
+ *  out  intClient (16 bytes)
+ *  out  intPort (6 bytes)
+ *  out  protocol (4 bytes)
+ *  out  desc (80 bytes)
+ *  out  enabled (4 bytes)
+ *  out  rHost (64 bytes)
+ *  out  duration (16 bytes)
+ *
+ * return value :
+ * UPNPCOMMAND_SUCCESS, UPNPCOMMAND_INVALID_ARGS, UPNPCOMMAND_UNKNOWN_ERROR
+ * or a UPnP Error Code.
+ *
+ * Possible UPNP Error codes :
+ * 402 Invalid Args - See UPnP Device Architecture section on Control.
+ * 606 Action not authorized - The action requested REQUIRES authorization
+ *                             and the sender was not authorized.
+ * 713 SpecifiedArrayIndexInvalid - The specified array index is out of bounds
+ */
+MINIUPNP_LIBSPEC int
+UPNP_GetGenericPortMappingEntry(const char * controlURL,
+                                const char * servicetype,
+								const char * index,
+								char * extPort,
+								char * intClient,
+								char * intPort,
+								char * protocol,
+								char * desc,
+								char * enabled,
+								char * rHost,
+								char * duration);
+
+/* UPNP_GetListOfPortMappings()      Available in IGD v2
+ *
+ *
+ * Possible UPNP Error codes :
+ * 606 Action not Authorized
+ * 730 PortMappingNotFound - no port mapping is found in the specified range.
+ * 733 InconsistantParameters - NewStartPort and NewEndPort values are not
+ *                              consistent.
+ */
+MINIUPNP_LIBSPEC int
+UPNP_GetListOfPortMappings(const char * controlURL,
+                           const char * servicetype,
+                           const char * startPort,
+                           const char * endPort,
+                           const char * protocol,
+                           const char * numberOfPorts,
+                           struct PortMappingParserData * data);
+
+/* IGD:2, functions for service WANIPv6FirewallControl:1 */
+MINIUPNP_LIBSPEC int
+UPNP_GetFirewallStatus(const char * controlURL,
+				const char * servicetype,
+				int * firewallEnabled,
+				int * inboundPinholeAllowed);
+
+MINIUPNP_LIBSPEC int
+UPNP_GetOutboundPinholeTimeout(const char * controlURL, const char * servicetype,
+                    const char * remoteHost,
+                    const char * remotePort,
+                    const char * intClient,
+                    const char * intPort,
+                    const char * proto,
+                    int * opTimeout);
+
+MINIUPNP_LIBSPEC int
+UPNP_AddPinhole(const char * controlURL, const char * servicetype,
+                    const char * remoteHost,
+                    const char * remotePort,
+                    const char * intClient,
+                    const char * intPort,
+                    const char * proto,
+                    const char * leaseTime,
+                    char * uniqueID);
+
+MINIUPNP_LIBSPEC int
+UPNP_UpdatePinhole(const char * controlURL, const char * servicetype,
+                    const char * uniqueID,
+                    const char * leaseTime);
+
+MINIUPNP_LIBSPEC int
+UPNP_DeletePinhole(const char * controlURL, const char * servicetype, const char * uniqueID);
+
+MINIUPNP_LIBSPEC int
+UPNP_CheckPinholeWorking(const char * controlURL, const char * servicetype,
+                                 const char * uniqueID, int * isWorking);
+
+MINIUPNP_LIBSPEC int
+UPNP_GetPinholePackets(const char * controlURL, const char * servicetype,
+                                 const char * uniqueID, int * packets);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
diff --git a/thirdparty/miniupnpc/miniupnpc_declspec.h b/thirdparty/miniupnpc/miniupnpc_declspec.h
new file mode 100644
index 0000000000..40adb922ec
--- /dev/null
+++ b/thirdparty/miniupnpc/miniupnpc_declspec.h
@@ -0,0 +1,21 @@
+#ifndef MINIUPNPC_DECLSPEC_H_INCLUDED
+#define MINIUPNPC_DECLSPEC_H_INCLUDED
+
+#if defined(_WIN32) && !defined(MINIUPNP_STATICLIB)
+	/* for windows dll */
+	#ifdef MINIUPNP_EXPORTS
+		#define MINIUPNP_LIBSPEC __declspec(dllexport)
+	#else
+		#define MINIUPNP_LIBSPEC __declspec(dllimport)
+	#endif
+#else
+	#if defined(__GNUC__) && __GNUC__ >= 4
+		/* fix dynlib for OS X 10.9.2 and Apple LLVM version 5.0 */
+		#define MINIUPNP_LIBSPEC __attribute__ ((visibility ("default")))
+	#else
+		#define MINIUPNP_LIBSPEC
+	#endif
+#endif
+
+#endif /* MINIUPNPC_DECLSPEC_H_INCLUDED */
+
diff --git a/thirdparty/miniupnpc/miniupnpc_socketdef.h b/thirdparty/miniupnpc/miniupnpc_socketdef.h
new file mode 100644
index 0000000000..965d9151b9
--- /dev/null
+++ b/thirdparty/miniupnpc/miniupnpc_socketdef.h
@@ -0,0 +1,37 @@
+/* $Id: miniupnpc_socketdef.h,v 1.1 2018/03/13 23:44:10 nanard Exp $ */
+/* Miniupnp project : http://miniupnp.free.fr/ or https://miniupnp.tuxfamily.org/
+ * Author : Thomas Bernard
+ * Copyright (c) 2018 Thomas Bernard
+ * This software is subject to the conditions detailed in the
+ * LICENCE file provided within this distribution */
+#ifndef MINIUPNPC_SOCKETDEF_H_INCLUDED
+#define MINIUPNPC_SOCKETDEF_H_INCLUDED
+
+#ifdef _MSC_VER
+
+#define ISINVALID(s) (INVALID_SOCKET==(s))
+
+#else
+
+#ifndef SOCKET
+#define SOCKET int
+#endif
+#ifndef SSIZE_T
+#define SSIZE_T ssize_t
+#endif
+#ifndef INVALID_SOCKET
+#define INVALID_SOCKET (-1)
+#endif
+#ifndef ISINVALID
+#define ISINVALID(s) ((s)<0)
+#endif
+
+#endif
+
+#ifdef _WIN32
+#define PRINT_SOCKET_ERROR(x)    fprintf(stderr, "Socket error: %s, %d\n", x, WSAGetLastError());
+#else
+#define PRINT_SOCKET_ERROR(x) perror(x)
+#endif
+
+#endif /* MINIUPNPC_SOCKETDEF_H_INCLUDED */
diff --git a/thirdparty/miniupnpc/miniupnpcmodule.c b/thirdparty/miniupnpc/miniupnpcmodule.c
new file mode 100644
index 0000000000..8657a0e002
--- /dev/null
+++ b/thirdparty/miniupnpc/miniupnpcmodule.c
@@ -0,0 +1,703 @@
+/* $Id: miniupnpcmodule.c,v 1.24 2014/06/10 09:48:11 nanard Exp $*/
+/* Project : miniupnp
+ * Author : Thomas BERNARD
+ * website : https://miniupnp.tuxfamily.org/
+ * copyright (c) 2007-2018 Thomas Bernard
+ * This software is subjet to the conditions detailed in the
+ * provided LICENCE file. */
+#include <Python.h>
+#define MINIUPNP_STATICLIB
+#include "structmember.h"
+#include "miniupnpc.h"
+#include "upnpcommands.h"
+#include "upnperrors.h"
+
+#ifdef _WIN32
+#include <winsock2.h>
+#endif
+
+/* for compatibility with Python < 2.4 */
+#ifndef Py_RETURN_NONE
+#define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
+#endif
+
+#ifndef Py_RETURN_TRUE
+#define Py_RETURN_TRUE return Py_INCREF(Py_True), Py_True
+#endif
+
+#ifndef Py_RETURN_FALSE
+#define Py_RETURN_FALSE return Py_INCREF(Py_False), Py_False
+#endif
+
+/* for compatibility with Python < 3.0 */
+#ifndef PyVarObject_HEAD_INIT
+#define PyVarObject_HEAD_INIT(type, size) \
+    PyObject_HEAD_INIT(type) size,
+#endif
+
+#ifndef Py_TYPE
+#define Py_TYPE(ob) (((PyObject*)(ob))->ob_type)
+#endif
+
+typedef struct {
+    PyObject_HEAD
+    /* Type-specific fields go here. */
+	struct UPNPDev * devlist;
+	struct UPNPUrls urls;
+	struct IGDdatas data;
+	unsigned int discoverdelay;	/* value passed to upnpDiscover() */
+	unsigned int localport;		/* value passed to upnpDiscover() */
+	char lanaddr[40];	/* our ip address on the LAN */
+	char * multicastif;
+	char * minissdpdsocket;
+} UPnPObject;
+
+static PyMemberDef UPnP_members[] = {
+	{"lanaddr", T_STRING_INPLACE, offsetof(UPnPObject, lanaddr),
+	 READONLY, "ip address on the LAN"
+	},
+	{"discoverdelay", T_UINT, offsetof(UPnPObject, discoverdelay),
+	 0/*READWRITE*/, "value in ms used to wait for SSDP responses"
+	},
+	{"localport", T_UINT, offsetof(UPnPObject, localport),
+	 0/*READWRITE*/,
+	    "If localport is set to UPNP_LOCAL_PORT_SAME(1) "
+	    "SSDP packets will be sent from the source port "
+	    "1900 (same as destination port), if set to "
+	    "UPNP_LOCAL_PORT_ANY(0) system assign a source "
+	    "port, any other value will be attempted as the "
+	    "source port"
+	},
+	/* T_STRING is allways readonly :( */
+	{"multicastif", T_STRING, offsetof(UPnPObject, multicastif),
+	 0, "IP of the network interface to be used for multicast operations"
+	},
+	{"minissdpdsocket", T_STRING, offsetof(UPnPObject, minissdpdsocket),
+	 0, "path of the MiniSSDPd unix socket"
+	},
+	{NULL}
+};
+
+
+static int UPnP_init(UPnPObject *self, PyObject *args, PyObject *kwds)
+{
+	char* multicastif = NULL;
+	char* minissdpdsocket = NULL;
+	static char *kwlist[] = {
+		"multicastif", "minissdpdsocket", "discoverdelay",
+		"localport", NULL
+	};
+
+	if(!PyArg_ParseTupleAndKeywords(args, kwds, "|zzII", kwlist,
+					&multicastif,
+					&minissdpdsocket,
+					&self->discoverdelay,
+					&self->localport))
+		return -1;
+
+	if(self->localport>1 &&
+	   (self->localport>65534||self->localport<1024)) {
+	    PyErr_SetString(PyExc_Exception, "Invalid localport value");
+	    return -1;
+	}
+	if(multicastif)
+		self->multicastif = strdup(multicastif);
+	if(minissdpdsocket)
+		self->minissdpdsocket = strdup(minissdpdsocket);
+
+	return 0;
+}
+
+static void
+UPnPObject_dealloc(UPnPObject *self)
+{
+	freeUPNPDevlist(self->devlist);
+	FreeUPNPUrls(&self->urls);
+	free(self->multicastif);
+	free(self->minissdpdsocket);
+	Py_TYPE(self)->tp_free((PyObject*)self);
+}
+
+static PyObject *
+UPnP_discover(UPnPObject *self)
+{
+	struct UPNPDev * dev;
+	int i;
+	PyObject *res = NULL;
+	if(self->devlist)
+	{
+		freeUPNPDevlist(self->devlist);
+		self->devlist = 0;
+	}
+	Py_BEGIN_ALLOW_THREADS
+	self->devlist = upnpDiscover((int)self->discoverdelay/*timeout in ms*/,
+	                             self->multicastif,
+	                             self->minissdpdsocket,
+	                             (int)self->localport,
+	                             0/*ip v6*/,
+	                             2/* TTL */,
+	                             0/*error */);
+	Py_END_ALLOW_THREADS
+	/* Py_RETURN_NONE ??? */
+	for(dev = self->devlist, i = 0; dev; dev = dev->pNext)
+		i++;
+	res = Py_BuildValue("i", i);
+	return res;
+}
+
+static PyObject *
+UPnP_selectigd(UPnPObject *self)
+{
+	int r;
+Py_BEGIN_ALLOW_THREADS
+	r = UPNP_GetValidIGD(self->devlist, &self->urls, &self->data,
+	                     self->lanaddr, sizeof(self->lanaddr));
+Py_END_ALLOW_THREADS
+	if(r)
+	{
+		return Py_BuildValue("s", self->urls.controlURL);
+	}
+	else
+	{
+		/* TODO: have our own exception type ! */
+		PyErr_SetString(PyExc_Exception, "No UPnP device discovered");
+		return NULL;
+	}
+}
+
+static PyObject *
+UPnP_totalbytesent(UPnPObject *self)
+{
+	UNSIGNED_INTEGER i;
+Py_BEGIN_ALLOW_THREADS
+	i = UPNP_GetTotalBytesSent(self->urls.controlURL_CIF,
+	                           self->data.CIF.servicetype);
+Py_END_ALLOW_THREADS
+#if (PY_MAJOR_VERSION >= 3) || (PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION > 3)
+	return Py_BuildValue("I", i);
+#else
+	return Py_BuildValue("i", (int)i);
+#endif
+}
+
+static PyObject *
+UPnP_totalbytereceived(UPnPObject *self)
+{
+	UNSIGNED_INTEGER i;
+Py_BEGIN_ALLOW_THREADS
+	i = UPNP_GetTotalBytesReceived(self->urls.controlURL_CIF,
+		                           self->data.CIF.servicetype);
+Py_END_ALLOW_THREADS
+#if (PY_MAJOR_VERSION >= 3) || (PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION > 3)
+	return Py_BuildValue("I", i);
+#else
+	return Py_BuildValue("i", (int)i);
+#endif
+}
+
+static PyObject *
+UPnP_totalpacketsent(UPnPObject *self)
+{
+	UNSIGNED_INTEGER i;
+Py_BEGIN_ALLOW_THREADS
+	i = UPNP_GetTotalPacketsSent(self->urls.controlURL_CIF,
+		                         self->data.CIF.servicetype);
+Py_END_ALLOW_THREADS
+#if (PY_MAJOR_VERSION >= 3) || (PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION > 3)
+	return Py_BuildValue("I", i);
+#else
+	return Py_BuildValue("i", (int)i);
+#endif
+}
+
+static PyObject *
+UPnP_totalpacketreceived(UPnPObject *self)
+{
+	UNSIGNED_INTEGER i;
+Py_BEGIN_ALLOW_THREADS
+	i = UPNP_GetTotalPacketsReceived(self->urls.controlURL_CIF,
+		                          self->data.CIF.servicetype);
+Py_END_ALLOW_THREADS
+#if (PY_MAJOR_VERSION >= 3) || (PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION > 3)
+	return Py_BuildValue("I", i);
+#else
+	return Py_BuildValue("i", (int)i);
+#endif
+}
+
+static PyObject *
+UPnP_statusinfo(UPnPObject *self)
+{
+	char status[64];
+	char lastconnerror[64];
+	unsigned int uptime = 0;
+	int r;
+	status[0] = '\0';
+	lastconnerror[0] = '\0';
+Py_BEGIN_ALLOW_THREADS
+	r = UPNP_GetStatusInfo(self->urls.controlURL, self->data.first.servicetype,
+	                   status, &uptime, lastconnerror);
+Py_END_ALLOW_THREADS
+	if(r==UPNPCOMMAND_SUCCESS) {
+#if (PY_MAJOR_VERSION >= 3) || (PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION > 3)
+		return Py_BuildValue("(s,I,s)", status, uptime, lastconnerror);
+#else
+		return Py_BuildValue("(s,i,s)", status, (int)uptime, lastconnerror);
+#endif
+	} else {
+		/* TODO: have our own exception type ! */
+		PyErr_SetString(PyExc_Exception, strupnperror(r));
+		return NULL;
+	}
+}
+
+static PyObject *
+UPnP_connectiontype(UPnPObject *self)
+{
+	char connectionType[64];
+	int r;
+	connectionType[0] = '\0';
+Py_BEGIN_ALLOW_THREADS
+	r = UPNP_GetConnectionTypeInfo(self->urls.controlURL,
+	                               self->data.first.servicetype,
+	                               connectionType);
+Py_END_ALLOW_THREADS
+	if(r==UPNPCOMMAND_SUCCESS) {
+		return Py_BuildValue("s", connectionType);
+	} else {
+		/* TODO: have our own exception type ! */
+		PyErr_SetString(PyExc_Exception, strupnperror(r));
+		return NULL;
+	}
+}
+
+static PyObject *
+UPnP_externalipaddress(UPnPObject *self)
+{
+	char externalIPAddress[40];
+	int r;
+	externalIPAddress[0] = '\0';
+Py_BEGIN_ALLOW_THREADS
+	r = UPNP_GetExternalIPAddress(self->urls.controlURL,
+	                              self->data.first.servicetype,
+	                              externalIPAddress);
+Py_END_ALLOW_THREADS
+	if(r==UPNPCOMMAND_SUCCESS) {
+		return Py_BuildValue("s", externalIPAddress);
+	} else {
+		/* TODO: have our own exception type ! */
+		PyErr_SetString(PyExc_Exception, strupnperror(r));
+		return NULL;
+	}
+}
+
+/* AddPortMapping(externalPort, protocol, internalHost, internalPort, desc,
+ *                remoteHost)
+ * protocol is 'UDP' or 'TCP' */
+static PyObject *
+UPnP_addportmapping(UPnPObject *self, PyObject *args)
+{
+	char extPort[6];
+	unsigned short ePort;
+	char inPort[6];
+	unsigned short iPort;
+	const char * proto;
+	const char * host;
+	const char * desc;
+	const char * remoteHost;
+	const char * leaseDuration = "0";
+	int r;
+	if (!PyArg_ParseTuple(args, "HssHzz", &ePort, &proto,
+	                                     &host, &iPort, &desc, &remoteHost))
+        return NULL;
+Py_BEGIN_ALLOW_THREADS
+	sprintf(extPort, "%hu", ePort);
+	sprintf(inPort, "%hu", iPort);
+	r = UPNP_AddPortMapping(self->urls.controlURL, self->data.first.servicetype,
+	                        extPort, inPort, host, desc, proto,
+	                        remoteHost, leaseDuration);
+Py_END_ALLOW_THREADS
+	if(r==UPNPCOMMAND_SUCCESS)
+	{
+		Py_RETURN_TRUE;
+	}
+	else
+	{
+		// TODO: RAISE an Exception. See upnpcommands.h for errors codes.
+		// upnperrors.c
+		//Py_RETURN_FALSE;
+		/* TODO: have our own exception type ! */
+		PyErr_SetString(PyExc_Exception, strupnperror(r));
+		return NULL;
+	}
+}
+
+/* AddAnyPortMapping(externalPort, protocol, internalHost, internalPort, desc,
+ *                   remoteHost)
+ * protocol is 'UDP' or 'TCP' */
+static PyObject *
+UPnP_addanyportmapping(UPnPObject *self, PyObject *args)
+{
+	char extPort[6];
+	unsigned short ePort;
+	char inPort[6];
+	unsigned short iPort;
+	char reservedPort[6];
+	const char * proto;
+	const char * host;
+	const char * desc;
+	const char * remoteHost;
+	const char * leaseDuration = "0";
+	int r;
+	if (!PyArg_ParseTuple(args, "HssHzz", &ePort, &proto, &host, &iPort, &desc, &remoteHost))
+        return NULL;
+Py_BEGIN_ALLOW_THREADS
+	sprintf(extPort, "%hu", ePort);
+	sprintf(inPort, "%hu", iPort);
+	r = UPNP_AddAnyPortMapping(self->urls.controlURL, self->data.first.servicetype,
+	                           extPort, inPort, host, desc, proto,
+	                           remoteHost, leaseDuration, reservedPort);
+Py_END_ALLOW_THREADS
+	if(r==UPNPCOMMAND_SUCCESS) {
+		return Py_BuildValue("i", atoi(reservedPort));
+	} else {
+		/* TODO: have our own exception type ! */
+		PyErr_SetString(PyExc_Exception, strupnperror(r));
+		return NULL;
+	}
+}
+
+
+/* DeletePortMapping(extPort, proto, removeHost='')
+ * proto = 'UDP', 'TCP' */
+static PyObject *
+UPnP_deleteportmapping(UPnPObject *self, PyObject *args)
+{
+	char extPort[6];
+	unsigned short ePort;
+	const char * proto;
+	const char * remoteHost = "";
+	int r;
+	if(!PyArg_ParseTuple(args, "Hs|z", &ePort, &proto, &remoteHost))
+		return NULL;
+Py_BEGIN_ALLOW_THREADS
+	sprintf(extPort, "%hu", ePort);
+	r = UPNP_DeletePortMapping(self->urls.controlURL, self->data.first.servicetype,
+	                           extPort, proto, remoteHost);
+Py_END_ALLOW_THREADS
+	if(r==UPNPCOMMAND_SUCCESS) {
+		Py_RETURN_TRUE;
+	} else {
+		/* TODO: have our own exception type ! */
+		PyErr_SetString(PyExc_Exception, strupnperror(r));
+		return NULL;
+	}
+}
+
+/* DeletePortMappingRange(extPort, proto, removeHost='')
+ * proto = 'UDP', 'TCP' */
+static PyObject *
+UPnP_deleteportmappingrange(UPnPObject *self, PyObject *args)
+{
+	char extPortStart[6];
+	unsigned short ePortStart;
+	char extPortEnd[6];
+	unsigned short ePortEnd;
+	const char * proto;
+	unsigned char manage;
+	char manageStr[6];
+	int r;
+	if(!PyArg_ParseTuple(args, "HHsb", &ePortStart, &ePortEnd, &proto, &manage))
+		return NULL;
+Py_BEGIN_ALLOW_THREADS
+	sprintf(extPortStart, "%hu", ePortStart);
+	sprintf(extPortEnd, "%hu", ePortEnd);
+	sprintf(manageStr, "%hu", (unsigned short)manage);
+	r = UPNP_DeletePortMappingRange(self->urls.controlURL, self->data.first.servicetype,
+					extPortStart, extPortEnd, proto, manageStr);
+Py_END_ALLOW_THREADS
+	if(r==UPNPCOMMAND_SUCCESS) {
+		Py_RETURN_TRUE;
+	} else {
+		/* TODO: have our own exception type ! */
+		PyErr_SetString(PyExc_Exception, strupnperror(r));
+		return NULL;
+	}
+}
+
+static PyObject *
+UPnP_getportmappingnumberofentries(UPnPObject *self)
+{
+	unsigned int n = 0;
+	int r;
+Py_BEGIN_ALLOW_THREADS
+	r = UPNP_GetPortMappingNumberOfEntries(self->urls.controlURL,
+	                                   self->data.first.servicetype,
+									   &n);
+Py_END_ALLOW_THREADS
+	if(r==UPNPCOMMAND_SUCCESS) {
+#if (PY_MAJOR_VERSION >= 3) || (PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION > 3)
+		return Py_BuildValue("I", n);
+#else
+		return Py_BuildValue("i", (int)n);
+#endif
+	} else {
+		/* TODO: have our own exception type ! */
+		PyErr_SetString(PyExc_Exception, strupnperror(r));
+		return NULL;
+	}
+}
+
+/* GetSpecificPortMapping(ePort, proto, remoteHost='')
+ * proto = 'UDP' or 'TCP' */
+static PyObject *
+UPnP_getspecificportmapping(UPnPObject *self, PyObject *args)
+{
+	char extPort[6];
+	unsigned short ePort;
+	const char * proto;
+	const char * remoteHost = "";
+	char intClient[40];
+	char intPort[6];
+	unsigned short iPort;
+	char desc[80];
+	char enabled[4];
+	char leaseDuration[16];
+	if(!PyArg_ParseTuple(args, "Hs|z", &ePort, &proto, &remoteHost))
+		return NULL;
+	extPort[0] = '\0'; intClient[0] = '\0'; intPort[0] = '\0';
+	desc[0] = '\0'; enabled[0] = '\0'; leaseDuration[0] = '\0';
+Py_BEGIN_ALLOW_THREADS
+	sprintf(extPort, "%hu", ePort);
+	UPNP_GetSpecificPortMappingEntry(self->urls.controlURL,
+	                                 self->data.first.servicetype,
+									 extPort, proto, remoteHost,
+									 intClient, intPort,
+	                                 desc, enabled, leaseDuration);
+Py_END_ALLOW_THREADS
+	if(intClient[0])
+	{
+		iPort = (unsigned short)atoi(intPort);
+		return Py_BuildValue("(s,H,s,O,i)",
+		                     intClient, iPort, desc,
+		                     PyBool_FromLong(atoi(enabled)),
+		                     atoi(leaseDuration));
+	}
+	else
+	{
+		Py_RETURN_NONE;
+	}
+}
+
+/* GetGenericPortMapping(index) */
+static PyObject *
+UPnP_getgenericportmapping(UPnPObject *self, PyObject *args)
+{
+	int i, r;
+	char index[8];
+	char intClient[40];
+	char intPort[6];
+	unsigned short iPort;
+	char extPort[6];
+	unsigned short ePort;
+	char protocol[4];
+	char desc[80];
+	char enabled[6];
+	char rHost[64];
+	char duration[16];	/* lease duration */
+	unsigned int dur;
+	if(!PyArg_ParseTuple(args, "i", &i))
+		return NULL;
+Py_BEGIN_ALLOW_THREADS
+	snprintf(index, sizeof(index), "%d", i);
+	rHost[0] = '\0'; enabled[0] = '\0';
+	duration[0] = '\0'; desc[0] = '\0';
+	extPort[0] = '\0'; intPort[0] = '\0'; intClient[0] = '\0';
+	r = UPNP_GetGenericPortMappingEntry(self->urls.controlURL,
+	                                    self->data.first.servicetype,
+										index,
+										extPort, intClient, intPort,
+										protocol, desc, enabled, rHost,
+										duration);
+Py_END_ALLOW_THREADS
+	if(r==UPNPCOMMAND_SUCCESS)
+	{
+		ePort = (unsigned short)atoi(extPort);
+		iPort = (unsigned short)atoi(intPort);
+		dur = (unsigned int)strtoul(duration, 0, 0);
+#if (PY_MAJOR_VERSION >= 3) || (PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION > 3)
+		return Py_BuildValue("(H,s,(s,H),s,s,s,I)",
+		                     ePort, protocol, intClient, iPort,
+		                     desc, enabled, rHost, dur);
+#else
+		return Py_BuildValue("(i,s,(s,i),s,s,s,i)",
+		                     (int)ePort, protocol, intClient, (int)iPort,
+		                     desc, enabled, rHost, (int)dur);
+#endif
+	}
+	else
+	{
+		Py_RETURN_NONE;
+	}
+}
+
+/* miniupnpc.UPnP object Method Table */
+static PyMethodDef UPnP_methods[] = {
+    {"discover", (PyCFunction)UPnP_discover, METH_NOARGS,
+     "discover UPnP IGD devices on the network"
+    },
+	{"selectigd", (PyCFunction)UPnP_selectigd, METH_NOARGS,
+	 "select a valid UPnP IGD among discovered devices"
+	},
+	{"totalbytesent", (PyCFunction)UPnP_totalbytesent, METH_NOARGS,
+	 "return the total number of bytes sent by UPnP IGD"
+	},
+	{"totalbytereceived", (PyCFunction)UPnP_totalbytereceived, METH_NOARGS,
+	 "return the total number of bytes received by UPnP IGD"
+	},
+	{"totalpacketsent", (PyCFunction)UPnP_totalpacketsent, METH_NOARGS,
+	 "return the total number of packets sent by UPnP IGD"
+	},
+	{"totalpacketreceived", (PyCFunction)UPnP_totalpacketreceived, METH_NOARGS,
+	 "return the total number of packets received by UPnP IGD"
+	},
+	{"statusinfo", (PyCFunction)UPnP_statusinfo, METH_NOARGS,
+	 "return status and uptime"
+	},
+	{"connectiontype", (PyCFunction)UPnP_connectiontype, METH_NOARGS,
+	 "return IGD WAN connection type"
+	},
+	{"externalipaddress", (PyCFunction)UPnP_externalipaddress, METH_NOARGS,
+	 "return external IP address"
+	},
+	{"addportmapping", (PyCFunction)UPnP_addportmapping, METH_VARARGS,
+	 "add a port mapping"
+	},
+	{"addanyportmapping", (PyCFunction)UPnP_addanyportmapping, METH_VARARGS,
+	 "add a port mapping, IGD to select alternative if necessary"
+	},
+	{"deleteportmapping", (PyCFunction)UPnP_deleteportmapping, METH_VARARGS,
+	 "delete a port mapping"
+	},
+	{"deleteportmappingrange", (PyCFunction)UPnP_deleteportmappingrange, METH_VARARGS,
+	 "delete a range of port mappings"
+	},
+	{"getportmappingnumberofentries", (PyCFunction)UPnP_getportmappingnumberofentries, METH_NOARGS,
+	 "-- non standard --"
+	},
+	{"getspecificportmapping", (PyCFunction)UPnP_getspecificportmapping, METH_VARARGS,
+	 "get details about a specific port mapping entry"
+	},
+	{"getgenericportmapping", (PyCFunction)UPnP_getgenericportmapping, METH_VARARGS,
+	 "get all details about the port mapping at index"
+	},
+    {NULL}  /* Sentinel */
+};
+
+static PyTypeObject UPnPType = {
+    PyVarObject_HEAD_INIT(NULL,
+    0)                         /*ob_size*/
+    "miniupnpc.UPnP",          /*tp_name*/
+    sizeof(UPnPObject),        /*tp_basicsize*/
+    0,                         /*tp_itemsize*/
+    (destructor)UPnPObject_dealloc,/*tp_dealloc*/
+    0,                         /*tp_print*/
+    0,                         /*tp_getattr*/
+    0,                         /*tp_setattr*/
+    0,                         /*tp_compare*/
+    0,                         /*tp_repr*/
+    0,                         /*tp_as_number*/
+    0,                         /*tp_as_sequence*/
+    0,                         /*tp_as_mapping*/
+    0,                         /*tp_hash */
+    0,                         /*tp_call*/
+    0,                         /*tp_str*/
+    0,                         /*tp_getattro*/
+    0,                         /*tp_setattro*/
+    0,                         /*tp_as_buffer*/
+    Py_TPFLAGS_DEFAULT,        /*tp_flags*/
+    "UPnP objects",            /* tp_doc */
+    0,		                   /* tp_traverse */
+    0,		                   /* tp_clear */
+    0,		                   /* tp_richcompare */
+    0,		                   /* tp_weaklistoffset */
+    0,		                   /* tp_iter */
+    0,		                   /* tp_iternext */
+    UPnP_methods,              /* tp_methods */
+    UPnP_members,              /* tp_members */
+    0,                         /* tp_getset */
+    0,                         /* tp_base */
+    0,                         /* tp_dict */
+    0,                         /* tp_descr_get */
+    0,                         /* tp_descr_set */
+    0,                         /* tp_dictoffset */
+    (initproc)UPnP_init,       /* tp_init */
+    0,                         /* tp_alloc */
+#ifndef _WIN32
+    PyType_GenericNew,/*UPnP_new,*/      /* tp_new */
+#else
+    0,
+#endif
+};
+
+/* module methods */
+static PyMethodDef miniupnpc_methods[] = {
+    {NULL}  /* Sentinel */
+};
+
+#if PY_MAJOR_VERSION >= 3
+static struct PyModuleDef moduledef = {
+    PyModuleDef_HEAD_INIT,
+    "miniupnpc",     /* m_name */
+    "miniupnpc module.",  /* m_doc */
+    -1,                  /* m_size */
+    miniupnpc_methods,    /* m_methods */
+    NULL,                /* m_reload */
+    NULL,                /* m_traverse */
+    NULL,                /* m_clear */
+    NULL,                /* m_free */
+};
+#endif
+
+#ifndef PyMODINIT_FUNC	/* declarations for DLL import/export */
+#define PyMODINIT_FUNC void
+#endif
+
+PyMODINIT_FUNC
+#if PY_MAJOR_VERSION >= 3
+PyInit_miniupnpc(void)
+#else
+initminiupnpc(void)
+#endif
+{
+    PyObject* m;
+
+#ifdef _WIN32
+    /* initialize Winsock. */
+    WSADATA wsaData;
+    int nResult = WSAStartup(MAKEWORD(2,2), &wsaData);
+
+    UPnPType.tp_new = PyType_GenericNew;
+#endif
+    if (PyType_Ready(&UPnPType) < 0)
+#if PY_MAJOR_VERSION >= 3
+        return 0;
+#else
+        return;
+#endif
+
+#if PY_MAJOR_VERSION >= 3
+    m = PyModule_Create(&moduledef);
+#else
+    m = Py_InitModule3("miniupnpc", miniupnpc_methods,
+                       "miniupnpc module.");
+#endif
+
+    Py_INCREF(&UPnPType);
+    PyModule_AddObject(m, "UPnP", (PyObject *)&UPnPType);
+
+#if PY_MAJOR_VERSION >= 3
+    return m;
+#endif
+}
+
diff --git a/thirdparty/miniupnpc/miniupnpcstrings.h b/thirdparty/miniupnpc/miniupnpcstrings.h
new file mode 100644
index 0000000000..1d5c5882fd
--- /dev/null
+++ b/thirdparty/miniupnpc/miniupnpcstrings.h
@@ -0,0 +1,17 @@
+#ifndef MINIUPNPCSTRINGS_H_INCLUDED
+#define MINIUPNPCSTRINGS_H_INCLUDED
+
+#include <version.h>
+
+#define OS_STRING VERSION_NAME "/1.0"
+#define MINIUPNPC_VERSION_STRING "2.1"
+
+#if 0
+/* according to "UPnP Device Architecture 1.0" */
+#define UPNP_VERSION_STRING "UPnP/1.0"
+#else
+/* according to "UPnP Device Architecture 1.1" */
+#define UPNP_VERSION_STRING "UPnP/1.1"
+#endif
+
+#endif
diff --git a/thirdparty/miniupnpc/miniupnpctypes.h b/thirdparty/miniupnpc/miniupnpctypes.h
new file mode 100644
index 0000000000..307ce39699
--- /dev/null
+++ b/thirdparty/miniupnpc/miniupnpctypes.h
@@ -0,0 +1,19 @@
+/* $Id: miniupnpctypes.h,v 1.1 2011/02/15 11:10:40 nanard Exp $ */
+/* Miniupnp project : http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org
+ * Author : Thomas Bernard
+ * Copyright (c) 2011 Thomas Bernard
+ * This software is subject to the conditions detailed in the
+ * LICENCE file provided within this distribution */
+#ifndef MINIUPNPCTYPES_H_INCLUDED
+#define MINIUPNPCTYPES_H_INCLUDED
+
+#if (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L)
+#define UNSIGNED_INTEGER unsigned long long
+#define STRTOUI	strtoull
+#else
+#define UNSIGNED_INTEGER unsigned int
+#define STRTOUI	strtoul
+#endif
+
+#endif
+
diff --git a/thirdparty/miniupnpc/miniwget.c b/thirdparty/miniupnpc/miniwget.c
new file mode 100644
index 0000000000..a46ba76022
--- /dev/null
+++ b/thirdparty/miniupnpc/miniwget.c
@@ -0,0 +1,662 @@
+/* $Id: miniwget.c,v 1.78 2018/03/13 23:22:18 nanard Exp $ */
+/* Project : miniupnp
+ * Website : http://miniupnp.free.fr/
+ * Author : Thomas Bernard
+ * Copyright (c) 2005-2018 Thomas Bernard
+ * This software is subject to the conditions detailed in the
+ * LICENCE file provided in this distribution. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#ifdef _WIN32
+#include <winsock2.h>
+#include <ws2tcpip.h>
+#include <io.h>
+#define MAXHOSTNAMELEN 64
+#define snprintf _snprintf
+#define socklen_t int
+#ifndef strncasecmp
+#if defined(_MSC_VER) && (_MSC_VER >= 1400)
+#define strncasecmp _memicmp
+#else /* defined(_MSC_VER) && (_MSC_VER >= 1400) */
+#define strncasecmp memicmp
+#endif /* defined(_MSC_VER) && (_MSC_VER >= 1400) */
+#endif /* #ifndef strncasecmp */
+#else /* #ifdef _WIN32 */
+#include <unistd.h>
+#include <sys/param.h>
+#if defined(__amigaos__) && !defined(__amigaos4__)
+#define socklen_t int
+#else /* #if defined(__amigaos__) && !defined(__amigaos4__) */
+#include <sys/select.h>
+#endif /* #else defined(__amigaos__) && !defined(__amigaos4__) */
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <net/if.h>
+#include <netdb.h>
+#define closesocket close
+#include <strings.h>
+#endif /* #else _WIN32 */
+#ifdef __GNU__
+#define MAXHOSTNAMELEN 64
+#endif /* __GNU__ */
+
+#ifndef MIN
+#define MIN(x,y) (((x)<(y))?(x):(y))
+#endif /* MIN */
+
+
+#include "miniupnpcstrings.h"
+#include "miniwget.h"
+#include "connecthostport.h"
+#include "receivedata.h"
+
+#ifndef MAXHOSTNAMELEN
+#define MAXHOSTNAMELEN 64
+#endif
+
+/*
+ * Read a HTTP response from a socket.
+ * Process Content-Length and Transfer-encoding headers.
+ * return a pointer to the content buffer, which length is saved
+ * to the length parameter.
+ */
+void *
+getHTTPResponse(SOCKET s, int * size, int * status_code)
+{
+	char buf[2048];
+	int n;
+	int endofheaders = 0;
+	int chunked = 0;
+	int content_length = -1;
+	unsigned int chunksize = 0;
+	unsigned int bytestocopy = 0;
+	/* buffers : */
+	char * header_buf;
+	unsigned int header_buf_len = 2048;
+	unsigned int header_buf_used = 0;
+	char * content_buf;
+	unsigned int content_buf_len = 2048;
+	unsigned int content_buf_used = 0;
+	char chunksize_buf[32];
+	unsigned int chunksize_buf_index;
+#ifdef DEBUG
+	char * reason_phrase = NULL;
+	int reason_phrase_len = 0;
+#endif
+
+	if(status_code) *status_code = -1;
+	header_buf = malloc(header_buf_len);
+	if(header_buf == NULL)
+	{
+#ifdef DEBUG
+		fprintf(stderr, "%s: Memory allocation error\n", "getHTTPResponse");
+#endif /* DEBUG */
+		*size = -1;
+		return NULL;
+	}
+	content_buf = malloc(content_buf_len);
+	if(content_buf == NULL)
+	{
+		free(header_buf);
+#ifdef DEBUG
+		fprintf(stderr, "%s: Memory allocation error\n", "getHTTPResponse");
+#endif /* DEBUG */
+		*size = -1;
+		return NULL;
+	}
+	chunksize_buf[0] = '\0';
+	chunksize_buf_index = 0;
+
+	while((n = receivedata(s, buf, sizeof(buf), 5000, NULL)) > 0)
+	{
+		if(endofheaders == 0)
+		{
+			int i;
+			int linestart=0;
+			int colon=0;
+			int valuestart=0;
+			if(header_buf_used + n > header_buf_len) {
+				char * tmp = realloc(header_buf, header_buf_used + n);
+				if(tmp == NULL) {
+					/* memory allocation error */
+					free(header_buf);
+					free(content_buf);
+					*size = -1;
+					return NULL;
+				}
+				header_buf = tmp;
+				header_buf_len = header_buf_used + n;
+			}
+			memcpy(header_buf + header_buf_used, buf, n);
+			header_buf_used += n;
+			/* search for CR LF CR LF (end of headers)
+			 * recognize also LF LF */
+			i = 0;
+			while(i < ((int)header_buf_used-1) && (endofheaders == 0)) {
+				if(header_buf[i] == '\r') {
+					i++;
+					if(header_buf[i] == '\n') {
+						i++;
+						if(i < (int)header_buf_used && header_buf[i] == '\r') {
+							i++;
+							if(i < (int)header_buf_used && header_buf[i] == '\n') {
+								endofheaders = i+1;
+							}
+						}
+					}
+				} else if(header_buf[i] == '\n') {
+					i++;
+					if(header_buf[i] == '\n') {
+						endofheaders = i+1;
+					}
+				}
+				i++;
+			}
+			if(endofheaders == 0)
+				continue;
+			/* parse header lines */
+			for(i = 0; i < endofheaders - 1; i++) {
+				if(linestart > 0 && colon <= linestart && header_buf[i]==':')
+				{
+					colon = i;
+					while(i < (endofheaders-1)
+					      && (header_buf[i+1] == ' ' || header_buf[i+1] == '\t'))
+						i++;
+					valuestart = i + 1;
+				}
+				/* detecting end of line */
+				else if(header_buf[i]=='\r' || header_buf[i]=='\n')
+				{
+					if(linestart == 0 && status_code)
+					{
+						/* Status line
+						 * HTTP-Version SP Status-Code SP Reason-Phrase CRLF */
+						int sp;
+						for(sp = 0; sp < i; sp++)
+							if(header_buf[sp] == ' ')
+							{
+								if(*status_code < 0)
+									*status_code = atoi(header_buf + sp + 1);
+								else
+								{
+#ifdef DEBUG
+									reason_phrase = header_buf + sp + 1;
+									reason_phrase_len = i - sp - 1;
+#endif
+									break;
+								}
+							}
+#ifdef DEBUG
+						printf("HTTP status code = %d, Reason phrase = %.*s\n",
+						       *status_code, reason_phrase_len, reason_phrase);
+#endif
+					}
+					else if(colon > linestart && valuestart > colon)
+					{
+#ifdef DEBUG
+						printf("header='%.*s', value='%.*s'\n",
+						       colon-linestart, header_buf+linestart,
+						       i-valuestart, header_buf+valuestart);
+#endif
+						if(0==strncasecmp(header_buf+linestart, "content-length", colon-linestart))
+						{
+							content_length = atoi(header_buf+valuestart);
+#ifdef DEBUG
+							printf("Content-Length: %d\n", content_length);
+#endif
+						}
+						else if(0==strncasecmp(header_buf+linestart, "transfer-encoding", colon-linestart)
+						   && 0==strncasecmp(header_buf+valuestart, "chunked", 7))
+						{
+#ifdef DEBUG
+							printf("chunked transfer-encoding!\n");
+#endif
+							chunked = 1;
+						}
+					}
+					while((i < (int)header_buf_used) && (header_buf[i]=='\r' || header_buf[i] == '\n'))
+						i++;
+					linestart = i;
+					colon = linestart;
+					valuestart = 0;
+				}
+			}
+			/* copy the remaining of the received data back to buf */
+			n = header_buf_used - endofheaders;
+			memcpy(buf, header_buf + endofheaders, n);
+			/* if(headers) */
+		}
+		/* if we get there, endofheaders != 0.
+		 * In the other case, there was a continue above */
+		/* content */
+		if(chunked)
+		{
+			int i = 0;
+			while(i < n)
+			{
+				if(chunksize == 0)
+				{
+					/* reading chunk size */
+					if(chunksize_buf_index == 0) {
+						/* skipping any leading CR LF */
+						if(i<n && buf[i] == '\r') i++;
+						if(i<n && buf[i] == '\n') i++;
+					}
+					while(i<n && isxdigit(buf[i])
+					     && chunksize_buf_index < (sizeof(chunksize_buf)-1))
+					{
+						chunksize_buf[chunksize_buf_index++] = buf[i];
+						chunksize_buf[chunksize_buf_index] = '\0';
+						i++;
+					}
+					while(i<n && buf[i] != '\r' && buf[i] != '\n')
+						i++; /* discarding chunk-extension */
+					if(i<n && buf[i] == '\r') i++;
+					if(i<n && buf[i] == '\n') {
+						unsigned int j;
+						for(j = 0; j < chunksize_buf_index; j++) {
+						if(chunksize_buf[j] >= '0'
+						   && chunksize_buf[j] <= '9')
+							chunksize = (chunksize << 4) + (chunksize_buf[j] - '0');
+						else
+							chunksize = (chunksize << 4) + ((chunksize_buf[j] | 32) - 'a' + 10);
+						}
+						chunksize_buf[0] = '\0';
+						chunksize_buf_index = 0;
+						i++;
+					} else {
+						/* not finished to get chunksize */
+						continue;
+					}
+#ifdef DEBUG
+					printf("chunksize = %u (%x)\n", chunksize, chunksize);
+#endif
+					if(chunksize == 0)
+					{
+#ifdef DEBUG
+						printf("end of HTTP content - %d %d\n", i, n);
+						/*printf("'%.*s'\n", n-i, buf+i);*/
+#endif
+						goto end_of_stream;
+					}
+				}
+				/* it is guaranteed that (n >= i) */
+				bytestocopy = (chunksize < (unsigned int)(n - i))?chunksize:(unsigned int)(n - i);
+				if((content_buf_used + bytestocopy) > content_buf_len)
+				{
+					char * tmp;
+					if((content_length >= 0) && ((unsigned int)content_length >= (content_buf_used + bytestocopy))) {
+						content_buf_len = content_length;
+					} else {
+						content_buf_len = content_buf_used + bytestocopy;
+					}
+					tmp = realloc(content_buf, content_buf_len);
+					if(tmp == NULL) {
+						/* memory allocation error */
+						free(content_buf);
+						free(header_buf);
+						*size = -1;
+						return NULL;
+					}
+					content_buf = tmp;
+				}
+				memcpy(content_buf + content_buf_used, buf + i, bytestocopy);
+				content_buf_used += bytestocopy;
+				i += bytestocopy;
+				chunksize -= bytestocopy;
+			}
+		}
+		else
+		{
+			/* not chunked */
+			if(content_length > 0
+			   && (content_buf_used + n) > (unsigned int)content_length) {
+				/* skipping additional bytes */
+				n = content_length - content_buf_used;
+			}
+			if(content_buf_used + n > content_buf_len)
+			{
+				char * tmp;
+				if(content_length >= 0
+				   && (unsigned int)content_length >= (content_buf_used + n)) {
+					content_buf_len = content_length;
+				} else {
+					content_buf_len = content_buf_used + n;
+				}
+				tmp = realloc(content_buf, content_buf_len);
+				if(tmp == NULL) {
+					/* memory allocation error */
+					free(content_buf);
+					free(header_buf);
+					*size = -1;
+					return NULL;
+				}
+				content_buf = tmp;
+			}
+			memcpy(content_buf + content_buf_used, buf, n);
+			content_buf_used += n;
+		}
+		/* use the Content-Length header value if available */
+		if(content_length > 0 && content_buf_used >= (unsigned int)content_length)
+		{
+#ifdef DEBUG
+			printf("End of HTTP content\n");
+#endif
+			break;
+		}
+	}
+end_of_stream:
+	free(header_buf); header_buf = NULL;
+	*size = content_buf_used;
+	if(content_buf_used == 0)
+	{
+		free(content_buf);
+		content_buf = NULL;
+	}
+	return content_buf;
+}
+
+/* miniwget3() :
+ * do all the work.
+ * Return NULL if something failed. */
+static void *
+miniwget3(const char * host,
+          unsigned short port, const char * path,
+          int * size, char * addr_str, int addr_str_len,
+          const char * httpversion, unsigned int scope_id,
+          int * status_code)
+{
+	char buf[2048];
+    SOCKET s;
+	int n;
+	int len;
+	int sent;
+	void * content;
+
+	*size = 0;
+	s = connecthostport(host, port, scope_id);
+	if(ISINVALID(s))
+		return NULL;
+
+	/* get address for caller ! */
+	if(addr_str)
+	{
+		struct sockaddr_storage saddr;
+		socklen_t saddrlen;
+
+		saddrlen = sizeof(saddr);
+		if(getsockname(s, (struct sockaddr *)&saddr, &saddrlen) < 0)
+		{
+			perror("getsockname");
+		}
+		else
+		{
+#if defined(__amigaos__) && !defined(__amigaos4__)
+	/* using INT WINAPI WSAAddressToStringA(LPSOCKADDR, DWORD, LPWSAPROTOCOL_INFOA, LPSTR, LPDWORD);
+     * But his function make a string with the port :  nn.nn.nn.nn:port */
+/*		if(WSAAddressToStringA((SOCKADDR *)&saddr, sizeof(saddr),
+                            NULL, addr_str, (DWORD *)&addr_str_len))
+		{
+		    printf("WSAAddressToStringA() failed : %d\n", WSAGetLastError());
+		}*/
+			/* the following code is only compatible with ip v4 addresses */
+			strncpy(addr_str, inet_ntoa(((struct sockaddr_in *)&saddr)->sin_addr), addr_str_len);
+#else
+#if 0
+			if(saddr.sa_family == AF_INET6) {
+				inet_ntop(AF_INET6,
+				          &(((struct sockaddr_in6 *)&saddr)->sin6_addr),
+				          addr_str, addr_str_len);
+			} else {
+				inet_ntop(AF_INET,
+				          &(((struct sockaddr_in *)&saddr)->sin_addr),
+				          addr_str, addr_str_len);
+			}
+#endif
+			/* getnameinfo return ip v6 address with the scope identifier
+			 * such as : 2a01:e35:8b2b:7330::%4281128194 */
+			n = getnameinfo((const struct sockaddr *)&saddr, saddrlen,
+			                addr_str, addr_str_len,
+			                NULL, 0,
+			                NI_NUMERICHOST | NI_NUMERICSERV);
+			if(n != 0) {
+#ifdef _WIN32
+				fprintf(stderr, "getnameinfo() failed : %d\n", n);
+#else
+				fprintf(stderr, "getnameinfo() failed : %s\n", gai_strerror(n));
+#endif
+			}
+#endif
+		}
+#ifdef DEBUG
+		printf("address miniwget : %s\n", addr_str);
+#endif
+	}
+
+	len = snprintf(buf, sizeof(buf),
+                 "GET %s HTTP/%s\r\n"
+			     "Host: %s:%d\r\n"
+				 "Connection: Close\r\n"
+				 "User-Agent: " OS_STRING ", " UPNP_VERSION_STRING ", MiniUPnPc/" MINIUPNPC_VERSION_STRING "\r\n"
+
+				 "\r\n",
+			   path, httpversion, host, port);
+	if ((unsigned int)len >= sizeof(buf))
+	{
+		closesocket(s);
+		return NULL;
+	}
+	sent = 0;
+	/* sending the HTTP request */
+	while(sent < len)
+	{
+		n = send(s, buf+sent, len-sent, 0);
+		if(n < 0)
+		{
+			perror("send");
+			closesocket(s);
+			return NULL;
+		}
+		else
+		{
+			sent += n;
+		}
+	}
+	content = getHTTPResponse(s, size, status_code);
+	closesocket(s);
+	return content;
+}
+
+/* miniwget2() :
+ * Call miniwget3(); retry with HTTP/1.1 if 1.0 fails. */
+static void *
+miniwget2(const char * host,
+          unsigned short port, const char * path,
+          int * size, char * addr_str, int addr_str_len,
+          unsigned int scope_id, int * status_code)
+{
+	char * respbuffer;
+
+#if 1
+	respbuffer = miniwget3(host, port, path, size,
+	                       addr_str, addr_str_len, "1.1",
+	                       scope_id, status_code);
+#else
+	respbuffer = miniwget3(host, port, path, size,
+	                       addr_str, addr_str_len, "1.0",
+	                       scope_id, status_code);
+	if (*size == 0)
+	{
+#ifdef DEBUG
+		printf("Retrying with HTTP/1.1\n");
+#endif
+		free(respbuffer);
+		respbuffer = miniwget3(host, port, path, size,
+		                       addr_str, addr_str_len, "1.1",
+		                       scope_id, status_code);
+	}
+#endif
+	return respbuffer;
+}
+
+
+
+
+/* parseURL()
+ * arguments :
+ *   url :		source string not modified
+ *   hostname :	hostname destination string (size of MAXHOSTNAMELEN+1)
+ *   port :		port (destination)
+ *   path :		pointer to the path part of the URL
+ *
+ * Return values :
+ *    0 - Failure
+ *    1 - Success         */
+int
+parseURL(const char * url,
+         char * hostname, unsigned short * port,
+         char * * path, unsigned int * scope_id)
+{
+	char * p1, *p2, *p3;
+	if(!url)
+		return 0;
+	p1 = strstr(url, "://");
+	if(!p1)
+		return 0;
+	p1 += 3;
+	if(  (url[0]!='h') || (url[1]!='t')
+	   ||(url[2]!='t') || (url[3]!='p'))
+		return 0;
+	memset(hostname, 0, MAXHOSTNAMELEN + 1);
+	if(*p1 == '[')
+	{
+		/* IP v6 : http://[2a00:1450:8002::6a]/path/abc */
+		char * scope;
+		scope = strchr(p1, '%');
+		p2 = strchr(p1, ']');
+		if(p2 && scope && scope < p2 && scope_id) {
+			/* parse scope */
+#ifdef IF_NAMESIZE
+			char tmp[IF_NAMESIZE];
+			int l;
+			scope++;
+			/* "%25" is just '%' in URL encoding */
+			if(scope[0] == '2' && scope[1] == '5')
+				scope += 2;	/* skip "25" */
+			l = p2 - scope;
+			if(l >= IF_NAMESIZE)
+				l = IF_NAMESIZE - 1;
+			memcpy(tmp, scope, l);
+			tmp[l] = '\0';
+			*scope_id = if_nametoindex(tmp);
+			if(*scope_id == 0) {
+				*scope_id = (unsigned int)strtoul(tmp, NULL, 10);
+			}
+#else
+			/* under windows, scope is numerical */
+			char tmp[8];
+			int l;
+			scope++;
+			/* "%25" is just '%' in URL encoding */
+			if(scope[0] == '2' && scope[1] == '5')
+				scope += 2;	/* skip "25" */
+			l = p2 - scope;
+			if(l >= sizeof(tmp))
+				l = sizeof(tmp) - 1;
+			memcpy(tmp, scope, l);
+			tmp[l] = '\0';
+			*scope_id = (unsigned int)strtoul(tmp, NULL, 10);
+#endif
+		}
+		p3 = strchr(p1, '/');
+		if(p2 && p3)
+		{
+			p2++;
+			strncpy(hostname, p1, MIN(MAXHOSTNAMELEN, (int)(p2-p1)));
+			if(*p2 == ':')
+			{
+				*port = 0;
+				p2++;
+				while( (*p2 >= '0') && (*p2 <= '9'))
+				{
+					*port *= 10;
+					*port += (unsigned short)(*p2 - '0');
+					p2++;
+				}
+			}
+			else
+			{
+				*port = 80;
+			}
+			*path = p3;
+			return 1;
+		}
+	}
+	p2 = strchr(p1, ':');
+	p3 = strchr(p1, '/');
+	if(!p3)
+		return 0;
+	if(!p2 || (p2>p3))
+	{
+		strncpy(hostname, p1, MIN(MAXHOSTNAMELEN, (int)(p3-p1)));
+		*port = 80;
+	}
+	else
+	{
+		strncpy(hostname, p1, MIN(MAXHOSTNAMELEN, (int)(p2-p1)));
+		*port = 0;
+		p2++;
+		while( (*p2 >= '0') && (*p2 <= '9'))
+		{
+			*port *= 10;
+			*port += (unsigned short)(*p2 - '0');
+			p2++;
+		}
+	}
+	*path = p3;
+	return 1;
+}
+
+void *
+miniwget(const char * url, int * size,
+         unsigned int scope_id, int * status_code)
+{
+	unsigned short port;
+	char * path;
+	/* protocol://host:port/chemin */
+	char hostname[MAXHOSTNAMELEN+1];
+	*size = 0;
+	if(!parseURL(url, hostname, &port, &path, &scope_id))
+		return NULL;
+#ifdef DEBUG
+	printf("parsed url : hostname='%s' port=%hu path='%s' scope_id=%u\n",
+	       hostname, port, path, scope_id);
+#endif
+	return miniwget2(hostname, port, path, size, 0, 0, scope_id, status_code);
+}
+
+void *
+miniwget_getaddr(const char * url, int * size,
+                 char * addr, int addrlen, unsigned int scope_id,
+                 int * status_code)
+{
+	unsigned short port;
+	char * path;
+	/* protocol://host:port/path */
+	char hostname[MAXHOSTNAMELEN+1];
+	*size = 0;
+	if(addr)
+		addr[0] = '\0';
+	if(!parseURL(url, hostname, &port, &path, &scope_id))
+		return NULL;
+#ifdef DEBUG
+	printf("parsed url : hostname='%s' port=%hu path='%s' scope_id=%u\n",
+	       hostname, port, path, scope_id);
+#endif
+	return miniwget2(hostname, port, path, size, addr, addrlen, scope_id, status_code);
+}
+
diff --git a/thirdparty/miniupnpc/miniwget.h b/thirdparty/miniupnpc/miniwget.h
new file mode 100644
index 0000000000..f5572c2544
--- /dev/null
+++ b/thirdparty/miniupnpc/miniwget.h
@@ -0,0 +1,27 @@
+/* $Id: miniwget.h,v 1.12 2016/01/24 17:24:36 nanard Exp $ */
+/* Project : miniupnp
+ * Author : Thomas Bernard
+ * Copyright (c) 2005-2016 Thomas Bernard
+ * This software is subject to the conditions detailed in the
+ * LICENCE file provided in this distribution.
+ * */
+#ifndef MINIWGET_H_INCLUDED
+#define MINIWGET_H_INCLUDED
+
+#include "miniupnpc_declspec.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+MINIUPNP_LIBSPEC void * miniwget(const char *, int *, unsigned int, int *);
+
+MINIUPNP_LIBSPEC void * miniwget_getaddr(const char *, int *, char *, int, unsigned int, int *);
+
+int parseURL(const char *, char *, unsigned short *, char * *, unsigned int *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/thirdparty/miniupnpc/miniwget_private.h b/thirdparty/miniupnpc/miniwget_private.h
new file mode 100644
index 0000000000..e4eaac8085
--- /dev/null
+++ b/thirdparty/miniupnpc/miniwget_private.h
@@ -0,0 +1,15 @@
+/* $Id: miniwget_private.h,v 1.1 2018/04/06 10:17:58 nanard Exp $ */
+/* Project : miniupnp
+ * Author : Thomas Bernard
+ * Copyright (c) 2018 Thomas Bernard
+ * This software is subject to the conditions detailed in the
+ * LICENCE file provided in this distribution.
+ * */
+#ifndef MINIWGET_INTERNAL_H_INCLUDED
+#define MINIWGET_INTERNAL_H_INCLUDED
+
+#include "miniupnpc_socketdef.h"
+
+void * getHTTPResponse(SOCKET s, int * size, int * status_code);
+
+#endif
diff --git a/thirdparty/miniupnpc/minixml.c b/thirdparty/miniupnpc/minixml.c
new file mode 100644
index 0000000000..ed2d3c759c
--- /dev/null
+++ b/thirdparty/miniupnpc/minixml.c
@@ -0,0 +1,231 @@
+/* $Id: minixml.c,v 1.10 2012/03/05 19:42:47 nanard Exp $ */
+/* vim: tabstop=4 shiftwidth=4 noexpandtab
+ * minixml.c : the minimum size a xml parser can be ! */
+/* Project : miniupnp
+ * webpage: http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
+ * Author : Thomas Bernard
+
+Copyright (c) 2005-2017, Thomas BERNARD
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimer in the documentation
+      and/or other materials provided with the distribution.
+    * The name of the author may not be used to endorse or promote products
+	  derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+*/
+#include <string.h>
+#include "minixml.h"
+
+/* parseatt : used to parse the argument list
+ * return 0 (false) in case of success and -1 (true) if the end
+ * of the xmlbuffer is reached. */
+static int parseatt(struct xmlparser * p)
+{
+	const char * attname;
+	int attnamelen;
+	const char * attvalue;
+	int attvaluelen;
+	while(p->xml < p->xmlend)
+	{
+		if(*p->xml=='/' || *p->xml=='>')
+			return 0;
+		if( !IS_WHITE_SPACE(*p->xml) )
+		{
+			char sep;
+			attname = p->xml;
+			attnamelen = 0;
+			while(*p->xml!='=' && !IS_WHITE_SPACE(*p->xml) )
+			{
+				attnamelen++; p->xml++;
+				if(p->xml >= p->xmlend)
+					return -1;
+			}
+			while(*(p->xml++) != '=')
+			{
+				if(p->xml >= p->xmlend)
+					return -1;
+			}
+			while(IS_WHITE_SPACE(*p->xml))
+			{
+				p->xml++;
+				if(p->xml >= p->xmlend)
+					return -1;
+			}
+			sep = *p->xml;
+			if(sep=='\'' || sep=='\"')
+			{
+				p->xml++;
+				if(p->xml >= p->xmlend)
+					return -1;
+				attvalue = p->xml;
+				attvaluelen = 0;
+				while(*p->xml != sep)
+				{
+					attvaluelen++; p->xml++;
+					if(p->xml >= p->xmlend)
+						return -1;
+				}
+			}
+			else
+			{
+				attvalue = p->xml;
+				attvaluelen = 0;
+				while(   !IS_WHITE_SPACE(*p->xml)
+					  && *p->xml != '>' && *p->xml != '/')
+				{
+					attvaluelen++; p->xml++;
+					if(p->xml >= p->xmlend)
+						return -1;
+				}
+			}
+			/*printf("%.*s='%.*s'\n",
+			       attnamelen, attname, attvaluelen, attvalue);*/
+			if(p->attfunc)
+				p->attfunc(p->data, attname, attnamelen, attvalue, attvaluelen);
+		}
+		p->xml++;
+	}
+	return -1;
+}
+
+/* parseelt parse the xml stream and
+ * call the callback functions when needed... */
+static void parseelt(struct xmlparser * p)
+{
+	int i;
+	const char * elementname;
+	while(p->xml < (p->xmlend - 1))
+	{
+		if((p->xml + 4) <= p->xmlend && (0 == memcmp(p->xml, "<!--", 4)))
+		{
+			p->xml += 3;
+			/* ignore comments */
+			do
+			{
+				p->xml++;
+				if ((p->xml + 3) >= p->xmlend)
+					return;
+			}
+			while(memcmp(p->xml, "-->", 3) != 0);
+			p->xml += 3;
+		}
+		else if((p->xml)[0]=='<' && (p->xml)[1]!='?')
+		{
+			i = 0; elementname = ++p->xml;
+			while( !IS_WHITE_SPACE(*p->xml)
+				  && (*p->xml!='>') && (*p->xml!='/')
+				 )
+			{
+				i++; p->xml++;
+				if (p->xml >= p->xmlend)
+					return;
+				/* to ignore namespace : */
+				if(*p->xml==':')
+				{
+					i = 0;
+					elementname = ++p->xml;
+				}
+			}
+			if(i>0)
+			{
+				if(p->starteltfunc)
+					p->starteltfunc(p->data, elementname, i);
+				if(parseatt(p))
+					return;
+				if(*p->xml!='/')
+				{
+					const char * data;
+					i = 0; data = ++p->xml;
+					if (p->xml >= p->xmlend)
+						return;
+					while( IS_WHITE_SPACE(*p->xml) )
+					{
+						i++; p->xml++;
+						if (p->xml >= p->xmlend)
+							return;
+					}
+					/* CDATA are at least 9 + 3 characters long : <![CDATA[ ]]> */
+					if((p->xmlend >= (p->xml + (9 + 3))) && (memcmp(p->xml, "<![CDATA[", 9) == 0))
+					{
+						/* CDATA handling */
+						p->xml += 9;
+						data = p->xml;
+						i = 0;
+						while(memcmp(p->xml, "]]>", 3) != 0)
+						{
+							i++; p->xml++;
+							if ((p->xml + 3) >= p->xmlend)
+								return;
+						}
+						if(i>0 && p->datafunc)
+							p->datafunc(p->data, data, i);
+						while(*p->xml!='<')
+						{
+							p->xml++;
+							if (p->xml >= p->xmlend)
+								return;
+						}
+					}
+					else
+					{
+						while(*p->xml!='<')
+						{
+							i++; p->xml++;
+							if ((p->xml + 1) >= p->xmlend)
+								return;
+						}
+						if(i>0 && p->datafunc && *(p->xml + 1) == '/')
+							p->datafunc(p->data, data, i);
+					}
+				}
+			}
+			else if(*p->xml == '/')
+			{
+				i = 0; elementname = ++p->xml;
+				if (p->xml >= p->xmlend)
+					return;
+				while((*p->xml != '>'))
+				{
+					i++; p->xml++;
+					if (p->xml >= p->xmlend)
+						return;
+				}
+				if(p->endeltfunc)
+					p->endeltfunc(p->data, elementname, i);
+				p->xml++;
+			}
+		}
+		else
+		{
+			p->xml++;
+		}
+	}
+}
+
+/* the parser must be initialized before calling this function */
+void parsexml(struct xmlparser * parser)
+{
+	parser->xml = parser->xmlstart;
+	parser->xmlend = parser->xmlstart + parser->xmlsize;
+	parseelt(parser);
+}
+
+
diff --git a/thirdparty/miniupnpc/minixml.h b/thirdparty/miniupnpc/minixml.h
new file mode 100644
index 0000000000..19e6f513bf
--- /dev/null
+++ b/thirdparty/miniupnpc/minixml.h
@@ -0,0 +1,37 @@
+/* $Id: minixml.h,v 1.6 2006/11/30 11:47:21 nanard Exp $ */
+/* minimal xml parser
+ *
+ * Project : miniupnp
+ * Website : http://miniupnp.free.fr/
+ * Author : Thomas Bernard
+ * Copyright (c) 2005 Thomas Bernard
+ * This software is subject to the conditions detailed in the
+ * LICENCE file provided in this distribution.
+ * */
+#ifndef MINIXML_H_INCLUDED
+#define MINIXML_H_INCLUDED
+#define IS_WHITE_SPACE(c) ((c==' ') || (c=='\t') || (c=='\r') || (c=='\n'))
+
+/* if a callback function pointer is set to NULL,
+ * the function is not called */
+struct xmlparser {
+	const char *xmlstart;
+	const char *xmlend;
+	const char *xml;	/* pointer to current character */
+	int xmlsize;
+	void * data;
+	void (*starteltfunc) (void *, const char *, int);
+	void (*endeltfunc) (void *, const char *, int);
+	void (*datafunc) (void *, const char *, int);
+	void (*attfunc) (void *, const char *, int, const char *, int);
+};
+
+/* parsexml()
+ * the xmlparser structure must be initialized before the call
+ * the following structure members have to be initialized :
+ * xmlstart, xmlsize, data, *func
+ * xml is for internal usage, xmlend is computed automatically */
+void parsexml(struct xmlparser *);
+
+#endif
+
diff --git a/thirdparty/miniupnpc/minixmlvalid.c b/thirdparty/miniupnpc/minixmlvalid.c
new file mode 100644
index 0000000000..dad1488122
--- /dev/null
+++ b/thirdparty/miniupnpc/minixmlvalid.c
@@ -0,0 +1,163 @@
+/* $Id: minixmlvalid.c,v 1.7 2015/07/15 12:41:15 nanard Exp $ */
+/* MiniUPnP Project
+ * http://miniupnp.tuxfamily.org/ or http://miniupnp.free.fr/
+ * minixmlvalid.c :
+ * validation program for the minixml parser
+ *
+ * (c) 2006-2011 Thomas Bernard */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "minixml.h"
+
+/* xml event structure */
+struct event {
+	enum { ELTSTART, ELTEND, ATT, CHARDATA } type;
+	const char * data;
+	int len;
+};
+
+struct eventlist {
+	int n;
+	struct event * events;
+};
+
+/* compare 2 xml event lists
+ * return 0 if the two lists are equals */
+int evtlistcmp(struct eventlist * a, struct eventlist * b)
+{
+	int i;
+	struct event * ae, * be;
+	if(a->n != b->n)
+	{
+		printf("event number not matching : %d != %d\n", a->n, b->n);
+		/*return 1;*/
+	}
+	for(i=0; i<a->n; i++)
+	{
+		ae = a->events + i;
+		be = b->events + i;
+		if(  (ae->type != be->type)
+		   ||(ae->len != be->len)
+		   ||memcmp(ae->data, be->data, ae->len))
+		{
+			printf("Found a difference : %d '%.*s' != %d '%.*s'\n",
+			       ae->type, ae->len, ae->data,
+			       be->type, be->len, be->data);
+			return 1;
+		}
+	}
+	return 0;
+}
+
+/* Test data */
+static const char xmldata[] =
+"<xmlroot>\n"
+" <elt1 att1=\"attvalue1\" att2=\"attvalue2\">"
+"character data"
+"</elt1> \n \t"
+"<elt1b/>"
+"<elt1>\n<![CDATA[ <html>stuff !\n ]]> \n</elt1>\n"
+"<elt2a> \t<elt2b>chardata1</elt2b><elt2b> chardata2 </elt2b></elt2a>"
+"</xmlroot>";
+
+static const struct event evtref[] =
+{
+	{ELTSTART, "xmlroot", 7},
+	{ELTSTART, "elt1", 4},
+	/* attributes */
+	{CHARDATA, "character data", 14},
+	{ELTEND, "elt1", 4},
+	{ELTSTART, "elt1b", 5},
+	{ELTSTART, "elt1", 4},
+	{CHARDATA, " <html>stuff !\n ", 16},
+	{ELTEND, "elt1", 4},
+	{ELTSTART, "elt2a", 5},
+	{ELTSTART, "elt2b", 5},
+	{CHARDATA, "chardata1", 9},
+	{ELTEND, "elt2b", 5},
+	{ELTSTART, "elt2b", 5},
+	{CHARDATA, " chardata2 ", 11},
+	{ELTEND, "elt2b", 5},
+	{ELTEND, "elt2a", 5},
+	{ELTEND, "xmlroot", 7}
+};
+
+void startelt(void * data, const char * p, int l)
+{
+	struct eventlist * evtlist = data;
+	struct event * evt;
+	evt = evtlist->events + evtlist->n;
+	/*printf("startelt : %.*s\n", l, p);*/
+	evt->type = ELTSTART;
+	evt->data = p;
+	evt->len = l;
+	evtlist->n++;
+}
+
+void endelt(void * data, const char * p, int l)
+{
+	struct eventlist * evtlist = data;
+	struct event * evt;
+	evt = evtlist->events + evtlist->n;
+	/*printf("endelt : %.*s\n", l, p);*/
+	evt->type = ELTEND;
+	evt->data = p;
+	evt->len = l;
+	evtlist->n++;
+}
+
+void chardata(void * data, const char * p, int l)
+{
+	struct eventlist * evtlist = data;
+	struct event * evt;
+	evt = evtlist->events + evtlist->n;
+	/*printf("chardata : '%.*s'\n", l, p);*/
+	evt->type = CHARDATA;
+	evt->data = p;
+	evt->len = l;
+	evtlist->n++;
+}
+
+int testxmlparser(const char * xml, int size)
+{
+	int r;
+	struct eventlist evtlist;
+	struct eventlist evtlistref;
+	struct xmlparser parser;
+	evtlist.n = 0;
+	evtlist.events = malloc(sizeof(struct event)*100);
+	if(evtlist.events == NULL)
+	{
+		fprintf(stderr, "Memory allocation error.\n");
+		return -1;
+	}
+	memset(&parser, 0, sizeof(parser));
+	parser.xmlstart = xml;
+	parser.xmlsize = size;
+	parser.data = &evtlist;
+	parser.starteltfunc = startelt;
+	parser.endeltfunc = endelt;
+	parser.datafunc = chardata;
+	parsexml(&parser);
+	printf("%d events\n", evtlist.n);
+	/* compare */
+	evtlistref.n = sizeof(evtref)/sizeof(struct event);
+	evtlistref.events = (struct event *)evtref;
+	r = evtlistcmp(&evtlistref, &evtlist);
+	free(evtlist.events);
+	return r;
+}
+
+int main(int argc, char * * argv)
+{
+	int r;
+	(void)argc; (void)argv;
+
+	r = testxmlparser(xmldata, sizeof(xmldata)-1);
+	if(r)
+		printf("minixml validation test failed\n");
+	return r;
+}
+
diff --git a/thirdparty/miniupnpc/portlistingparse.c b/thirdparty/miniupnpc/portlistingparse.c
new file mode 100644
index 0000000000..55859f2714
--- /dev/null
+++ b/thirdparty/miniupnpc/portlistingparse.c
@@ -0,0 +1,172 @@
+/* $Id: portlistingparse.c,v 1.9 2015/07/15 12:41:13 nanard Exp $ */
+/* MiniUPnP project
+ * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
+ * (c) 2011-2016 Thomas Bernard
+ * This software is subject to the conditions detailed
+ * in the LICENCE file provided within the distribution */
+#include <string.h>
+#include <stdlib.h>
+#ifdef DEBUG
+#include <stdio.h>
+#endif /* DEBUG */
+#include "portlistingparse.h"
+#include "minixml.h"
+
+/* list of the elements */
+static const struct {
+	const portMappingElt code;
+	const char * const str;
+} elements[] = {
+	{ PortMappingEntry, "PortMappingEntry"},
+	{ NewRemoteHost, "NewRemoteHost"},
+	{ NewExternalPort, "NewExternalPort"},
+	{ NewProtocol, "NewProtocol"},
+	{ NewInternalPort, "NewInternalPort"},
+	{ NewInternalClient, "NewInternalClient"},
+	{ NewEnabled, "NewEnabled"},
+	{ NewDescription, "NewDescription"},
+	{ NewLeaseTime, "NewLeaseTime"},
+	{ PortMappingEltNone, NULL}
+};
+
+/* Helper function */
+static UNSIGNED_INTEGER
+atoui(const char * p, int l)
+{
+	UNSIGNED_INTEGER r = 0;
+	while(l > 0 && *p)
+	{
+		if(*p >= '0' && *p <= '9')
+			r = r*10 + (*p - '0');
+		else
+			break;
+		p++;
+		l--;
+	}
+	return r;
+}
+
+/* Start element handler */
+static void
+startelt(void * d, const char * name, int l)
+{
+	int i;
+	struct PortMappingParserData * pdata = (struct PortMappingParserData *)d;
+	pdata->curelt = PortMappingEltNone;
+	for(i = 0; elements[i].str; i++)
+	{
+		if(strlen(elements[i].str) == (size_t)l && memcmp(name, elements[i].str, l) == 0)
+		{
+			pdata->curelt = elements[i].code;
+			break;
+		}
+	}
+	if(pdata->curelt == PortMappingEntry)
+	{
+		struct PortMapping * pm;
+		pm = calloc(1, sizeof(struct PortMapping));
+		if(pm == NULL)
+		{
+			/* malloc error */
+#ifdef DEBUG
+			fprintf(stderr, "%s: error allocating memory",
+			        "startelt");
+#endif /* DEBUG */
+			return;
+		}
+		pm->l_next = pdata->l_head;	/* insert in list */
+		pdata->l_head = pm;
+	}
+}
+
+/* End element handler */
+static void
+endelt(void * d, const char * name, int l)
+{
+	struct PortMappingParserData * pdata = (struct PortMappingParserData *)d;
+	(void)name;
+	(void)l;
+	pdata->curelt = PortMappingEltNone;
+}
+
+/* Data handler */
+static void
+data(void * d, const char * data, int l)
+{
+	struct PortMapping * pm;
+	struct PortMappingParserData * pdata = (struct PortMappingParserData *)d;
+	pm = pdata->l_head;
+	if(!pm)
+		return;
+	if(l > 63)
+		l = 63;
+	switch(pdata->curelt)
+	{
+	case NewRemoteHost:
+		memcpy(pm->remoteHost, data, l);
+		pm->remoteHost[l] = '\0';
+		break;
+	case NewExternalPort:
+		pm->externalPort = (unsigned short)atoui(data, l);
+		break;
+	case NewProtocol:
+		if(l > 3)
+			l = 3;
+		memcpy(pm->protocol, data, l);
+		pm->protocol[l] = '\0';
+		break;
+	case NewInternalPort:
+		pm->internalPort = (unsigned short)atoui(data, l);
+		break;
+	case NewInternalClient:
+		memcpy(pm->internalClient, data, l);
+		pm->internalClient[l] = '\0';
+		break;
+	case NewEnabled:
+		pm->enabled = (unsigned char)atoui(data, l);
+		break;
+	case NewDescription:
+		memcpy(pm->description, data, l);
+		pm->description[l] = '\0';
+		break;
+	case NewLeaseTime:
+		pm->leaseTime = atoui(data, l);
+		break;
+	default:
+		break;
+	}
+}
+
+
+/* Parse the PortMappingList XML document for IGD version 2
+ */
+void
+ParsePortListing(const char * buffer, int bufsize,
+                 struct PortMappingParserData * pdata)
+{
+	struct xmlparser parser;
+
+	memset(pdata, 0, sizeof(struct PortMappingParserData));
+	/* init xmlparser */
+	parser.xmlstart = buffer;
+	parser.xmlsize = bufsize;
+	parser.data = pdata;
+	parser.starteltfunc = startelt;
+	parser.endeltfunc = endelt;
+	parser.datafunc = data;
+	parser.attfunc = 0;
+	parsexml(&parser);
+}
+
+void
+FreePortListing(struct PortMappingParserData * pdata)
+{
+	struct PortMapping * pm;
+	while((pm = pdata->l_head) != NULL)
+	{
+		/* remove from list */
+		pdata->l_head = pm->l_next;
+		free(pm);
+	}
+}
+
diff --git a/thirdparty/miniupnpc/portlistingparse.h b/thirdparty/miniupnpc/portlistingparse.h
new file mode 100644
index 0000000000..e3957a3f4c
--- /dev/null
+++ b/thirdparty/miniupnpc/portlistingparse.h
@@ -0,0 +1,65 @@
+/* $Id: portlistingparse.h,v 1.10 2014/11/01 10:37:32 nanard Exp $ */
+/* MiniUPnP project
+ * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
+ * (c) 2011-2015 Thomas Bernard
+ * This software is subject to the conditions detailed
+ * in the LICENCE file provided within the distribution */
+#ifndef PORTLISTINGPARSE_H_INCLUDED
+#define PORTLISTINGPARSE_H_INCLUDED
+
+#include "miniupnpc_declspec.h"
+/* for the definition of UNSIGNED_INTEGER */
+#include "miniupnpctypes.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* sample of PortMappingEntry :
+  <p:PortMappingEntry>
+    <p:NewRemoteHost>202.233.2.1</p:NewRemoteHost>
+    <p:NewExternalPort>2345</p:NewExternalPort>
+    <p:NewProtocol>TCP</p:NewProtocol>
+    <p:NewInternalPort>2345</p:NewInternalPort>
+    <p:NewInternalClient>192.168.1.137</p:NewInternalClient>
+    <p:NewEnabled>1</p:NewEnabled>
+    <p:NewDescription>dooom</p:NewDescription>
+    <p:NewLeaseTime>345</p:NewLeaseTime>
+  </p:PortMappingEntry>
+ */
+typedef enum { PortMappingEltNone,
+       PortMappingEntry, NewRemoteHost,
+       NewExternalPort, NewProtocol,
+       NewInternalPort, NewInternalClient,
+       NewEnabled, NewDescription,
+       NewLeaseTime } portMappingElt;
+
+struct PortMapping {
+	struct PortMapping * l_next;	/* list next element */
+	UNSIGNED_INTEGER leaseTime;
+	unsigned short externalPort;
+	unsigned short internalPort;
+	char remoteHost[64];
+	char internalClient[64];
+	char description[64];
+	char protocol[4];
+	unsigned char enabled;
+};
+
+struct PortMappingParserData {
+	struct PortMapping * l_head;	/* list head */
+	portMappingElt curelt;
+};
+
+MINIUPNP_LIBSPEC void
+ParsePortListing(const char * buffer, int bufsize,
+                 struct PortMappingParserData * pdata);
+
+MINIUPNP_LIBSPEC void
+FreePortListing(struct PortMappingParserData * pdata);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/thirdparty/miniupnpc/receivedata.c b/thirdparty/miniupnpc/receivedata.c
new file mode 100644
index 0000000000..7b9cc5b778
--- /dev/null
+++ b/thirdparty/miniupnpc/receivedata.c
@@ -0,0 +1,99 @@
+/* $Id: receivedata.c,v 1.7 2015/11/09 21:51:41 nanard Exp $ */
+/* Project : miniupnp
+ * Website : http://miniupnp.free.fr/
+ * Author : Thomas Bernard
+ * Copyright (c) 2011-2014 Thomas Bernard
+ * This software is subject to the conditions detailed in the
+ * LICENCE file provided in this distribution. */
+
+#include <stdio.h>
+#include <string.h>
+#ifdef _WIN32
+#include <winsock2.h>
+#include <ws2tcpip.h>
+#else /* _WIN32 */
+#include <unistd.h>
+#if defined(__amigaos__) && !defined(__amigaos4__)
+#define socklen_t int
+#else /* #if defined(__amigaos__) && !defined(__amigaos4__) */
+#include <sys/select.h>
+#endif /* #else defined(__amigaos__) && !defined(__amigaos4__) */
+#include <sys/socket.h>
+#include <netinet/in.h>
+#if !defined(__amigaos__) && !defined(__amigaos4__)
+#include <poll.h>
+#endif	/* !defined(__amigaos__) && !defined(__amigaos4__) */
+#include <errno.h>
+#define MINIUPNPC_IGNORE_EINTR
+#endif /* _WIN32 */
+
+#include "receivedata.h"
+
+int
+receivedata(SOCKET socket,
+            char * data, int length,
+            int timeout, unsigned int * scope_id)
+{
+#ifdef MINIUPNPC_GET_SRC_ADDR
+	struct sockaddr_storage src_addr;
+	socklen_t src_addr_len = sizeof(src_addr);
+#endif	/* MINIUPNPC_GET_SRC_ADDR */
+    int n;
+#if !defined(_WIN32) && !defined(__amigaos__) && !defined(__amigaos4__)
+	/* using poll */
+    struct pollfd fds[1]; /* for the poll */
+#ifdef MINIUPNPC_IGNORE_EINTR
+    do {
+#endif	/* MINIUPNPC_IGNORE_EINTR */
+        fds[0].fd = socket;
+        fds[0].events = POLLIN;
+        n = poll(fds, 1, timeout);
+#ifdef MINIUPNPC_IGNORE_EINTR
+    } while(n < 0 && errno == EINTR);
+#endif	/* MINIUPNPC_IGNORE_EINTR */
+    if(n < 0) {
+        PRINT_SOCKET_ERROR("poll");
+        return -1;
+    } else if(n == 0) {
+		/* timeout */
+        return 0;
+    }
+#else	/* !defined(_WIN32) && !defined(__amigaos__) && !defined(__amigaos4__) */
+	/* using select under _WIN32 and amigaos */
+    fd_set socketSet;
+    TIMEVAL timeval;
+    FD_ZERO(&socketSet);
+    FD_SET(socket, &socketSet);
+    timeval.tv_sec = timeout / 1000;
+    timeval.tv_usec = (timeout % 1000) * 1000;
+    n = select(FD_SETSIZE, &socketSet, NULL, NULL, &timeval);
+    if(n < 0) {
+        PRINT_SOCKET_ERROR("select");
+        return -1;
+    } else if(n == 0) {
+        return 0;
+    }
+#endif	/* !defined(_WIN32) && !defined(__amigaos__) && !defined(__amigaos4__) */
+#ifdef MINIUPNPC_GET_SRC_ADDR
+	memset(&src_addr, 0, sizeof(src_addr));
+	n = recvfrom(socket, data, length, 0,
+	             (struct sockaddr *)&src_addr, &src_addr_len);
+#else	/* MINIUPNPC_GET_SRC_ADDR */
+	n = recv(socket, data, length, 0);
+#endif	/* MINIUPNPC_GET_SRC_ADDR */
+	if(n<0) {
+		PRINT_SOCKET_ERROR("recv");
+	}
+#ifdef MINIUPNPC_GET_SRC_ADDR
+	if (src_addr.ss_family == AF_INET6) {
+		const struct sockaddr_in6 * src_addr6 = (struct sockaddr_in6 *)&src_addr;
+#ifdef DEBUG
+		printf("scope_id=%u\n", src_addr6->sin6_scope_id);
+#endif	/* DEBUG */
+		if(scope_id)
+			*scope_id = src_addr6->sin6_scope_id;
+	}
+#endif	/* MINIUPNPC_GET_SRC_ADDR */
+	return n;
+}
+
diff --git a/thirdparty/miniupnpc/receivedata.h b/thirdparty/miniupnpc/receivedata.h
new file mode 100644
index 0000000000..c9fdc561f8
--- /dev/null
+++ b/thirdparty/miniupnpc/receivedata.h
@@ -0,0 +1,21 @@
+/* $Id: receivedata.h,v 1.3 2012/06/23 22:34:47 nanard Exp $ */
+/* Project: miniupnp
+ * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
+ * Author: Thomas Bernard
+ * Copyright (c) 2011-2018 Thomas Bernard
+ * This software is subjects to the conditions detailed
+ * in the LICENCE file provided within this distribution */
+#ifndef RECEIVEDATA_H_INCLUDED
+#define RECEIVEDATA_H_INCLUDED
+
+#include "miniupnpc_socketdef.h"
+
+/* Reads data from the specified socket.
+ * Returns the number of bytes read if successful, zero if no bytes were
+ * read or if we timed out. Returns negative if there was an error. */
+int receivedata(SOCKET socket,
+                char * data, int length,
+                int timeout, unsigned int * scope_id);
+
+#endif
+
diff --git a/thirdparty/miniupnpc/upnpc.c b/thirdparty/miniupnpc/upnpc.c
new file mode 100644
index 0000000000..0c65cbe8c0
--- /dev/null
+++ b/thirdparty/miniupnpc/upnpc.c
@@ -0,0 +1,861 @@
+/* $Id: upnpc.c,v 1.119 2018/03/13 23:34:46 nanard Exp $ */
+/* Project : miniupnp
+ * Author : Thomas Bernard
+ * Copyright (c) 2005-2018 Thomas Bernard
+ * This software is subject to the conditions detailed in the
+ * LICENCE file provided in this distribution. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#ifdef _WIN32
+#include <winsock2.h>
+#define snprintf _snprintf
+#else
+/* for IPPROTO_TCP / IPPROTO_UDP */
+#include <netinet/in.h>
+#endif
+#include <ctype.h>
+#include "miniwget.h"
+#include "miniupnpc.h"
+#include "upnpcommands.h"
+#include "portlistingparse.h"
+#include "upnperrors.h"
+#include "miniupnpcstrings.h"
+
+/* protofix() checks if protocol is "UDP" or "TCP"
+ * returns NULL if not */
+const char * protofix(const char * proto)
+{
+	static const char proto_tcp[4] = { 'T', 'C', 'P', 0};
+	static const char proto_udp[4] = { 'U', 'D', 'P', 0};
+	int i, b;
+	for(i=0, b=1; i<4; i++)
+		b = b && (   (proto[i] == proto_tcp[i])
+		          || (proto[i] == (proto_tcp[i] | 32)) );
+	if(b)
+		return proto_tcp;
+	for(i=0, b=1; i<4; i++)
+		b = b && (   (proto[i] == proto_udp[i])
+		          || (proto[i] == (proto_udp[i] | 32)) );
+	if(b)
+		return proto_udp;
+	return 0;
+}
+
+/* is_int() checks if parameter is an integer or not
+ * 1 for integer
+ * 0 for not an integer */
+int is_int(char const* s)
+{
+	if(s == NULL)
+		return 0;
+	while(*s) {
+		/* #define isdigit(c) ((c) >= '0' && (c) <= '9') */
+		if(!isdigit(*s))
+			return 0;
+		s++;
+	}
+	return 1;
+}
+
+static void DisplayInfos(struct UPNPUrls * urls,
+                         struct IGDdatas * data)
+{
+	char externalIPAddress[40];
+	char connectionType[64];
+	char status[64];
+	char lastconnerr[64];
+	unsigned int uptime = 0;
+	unsigned int brUp, brDown;
+	time_t timenow, timestarted;
+	int r;
+	if(UPNP_GetConnectionTypeInfo(urls->controlURL,
+	                              data->first.servicetype,
+	                              connectionType) != UPNPCOMMAND_SUCCESS)
+		printf("GetConnectionTypeInfo failed.\n");
+	else
+		printf("Connection Type : %s\n", connectionType);
+	if(UPNP_GetStatusInfo(urls->controlURL, data->first.servicetype,
+	                      status, &uptime, lastconnerr) != UPNPCOMMAND_SUCCESS)
+		printf("GetStatusInfo failed.\n");
+	else
+		printf("Status : %s, uptime=%us, LastConnectionError : %s\n",
+		       status, uptime, lastconnerr);
+	if(uptime > 0) {
+		timenow = time(NULL);
+		timestarted = timenow - uptime;
+		printf("  Time started : %s", ctime(&timestarted));
+	}
+	if(UPNP_GetLinkLayerMaxBitRates(urls->controlURL_CIF, data->CIF.servicetype,
+	                                &brDown, &brUp) != UPNPCOMMAND_SUCCESS) {
+		printf("GetLinkLayerMaxBitRates failed.\n");
+	} else {
+		printf("MaxBitRateDown : %u bps", brDown);
+		if(brDown >= 1000000) {
+			printf(" (%u.%u Mbps)", brDown / 1000000, (brDown / 100000) % 10);
+		} else if(brDown >= 1000) {
+			printf(" (%u Kbps)", brDown / 1000);
+		}
+		printf("   MaxBitRateUp %u bps", brUp);
+		if(brUp >= 1000000) {
+			printf(" (%u.%u Mbps)", brUp / 1000000, (brUp / 100000) % 10);
+		} else if(brUp >= 1000) {
+			printf(" (%u Kbps)", brUp / 1000);
+		}
+		printf("\n");
+	}
+	r = UPNP_GetExternalIPAddress(urls->controlURL,
+	                          data->first.servicetype,
+							  externalIPAddress);
+	if(r != UPNPCOMMAND_SUCCESS) {
+		printf("GetExternalIPAddress failed. (errorcode=%d)\n", r);
+	} else {
+		printf("ExternalIPAddress = %s\n", externalIPAddress);
+	}
+}
+
+static void GetConnectionStatus(struct UPNPUrls * urls,
+                               struct IGDdatas * data)
+{
+	unsigned int bytessent, bytesreceived, packetsreceived, packetssent;
+	DisplayInfos(urls, data);
+	bytessent = UPNP_GetTotalBytesSent(urls->controlURL_CIF, data->CIF.servicetype);
+	bytesreceived = UPNP_GetTotalBytesReceived(urls->controlURL_CIF, data->CIF.servicetype);
+	packetssent = UPNP_GetTotalPacketsSent(urls->controlURL_CIF, data->CIF.servicetype);
+	packetsreceived = UPNP_GetTotalPacketsReceived(urls->controlURL_CIF, data->CIF.servicetype);
+	printf("Bytes:   Sent: %8u\tRecv: %8u\n", bytessent, bytesreceived);
+	printf("Packets: Sent: %8u\tRecv: %8u\n", packetssent, packetsreceived);
+}
+
+static void ListRedirections(struct UPNPUrls * urls,
+                             struct IGDdatas * data)
+{
+	int r;
+	int i = 0;
+	char index[6];
+	char intClient[40];
+	char intPort[6];
+	char extPort[6];
+	char protocol[4];
+	char desc[80];
+	char enabled[6];
+	char rHost[64];
+	char duration[16];
+	/*unsigned int num=0;
+	UPNP_GetPortMappingNumberOfEntries(urls->controlURL, data->servicetype, &num);
+	printf("PortMappingNumberOfEntries : %u\n", num);*/
+	printf(" i protocol exPort->inAddr:inPort description remoteHost leaseTime\n");
+	do {
+		snprintf(index, 6, "%d", i);
+		rHost[0] = '\0'; enabled[0] = '\0';
+		duration[0] = '\0'; desc[0] = '\0';
+		extPort[0] = '\0'; intPort[0] = '\0'; intClient[0] = '\0';
+		r = UPNP_GetGenericPortMappingEntry(urls->controlURL,
+		                               data->first.servicetype,
+		                               index,
+		                               extPort, intClient, intPort,
+									   protocol, desc, enabled,
+									   rHost, duration);
+		if(r==0)
+		/*
+			printf("%02d - %s %s->%s:%s\tenabled=%s leaseDuration=%s\n"
+			       "     desc='%s' rHost='%s'\n",
+			       i, protocol, extPort, intClient, intPort,
+				   enabled, duration,
+				   desc, rHost);
+				   */
+			printf("%2d %s %5s->%s:%-5s '%s' '%s' %s\n",
+			       i, protocol, extPort, intClient, intPort,
+			       desc, rHost, duration);
+		else
+			printf("GetGenericPortMappingEntry() returned %d (%s)\n",
+			       r, strupnperror(r));
+		i++;
+	} while(r==0);
+}
+
+static void NewListRedirections(struct UPNPUrls * urls,
+                                struct IGDdatas * data)
+{
+	int r;
+	int i = 0;
+	struct PortMappingParserData pdata;
+	struct PortMapping * pm;
+
+	memset(&pdata, 0, sizeof(struct PortMappingParserData));
+	r = UPNP_GetListOfPortMappings(urls->controlURL,
+                                   data->first.servicetype,
+	                               "0",
+	                               "65535",
+	                               "TCP",
+	                               "1000",
+	                               &pdata);
+	if(r == UPNPCOMMAND_SUCCESS)
+	{
+		printf(" i protocol exPort->inAddr:inPort description remoteHost leaseTime\n");
+		for(pm = pdata.l_head; pm != NULL; pm = pm->l_next)
+		{
+			printf("%2d %s %5hu->%s:%-5hu '%s' '%s' %u\n",
+			       i, pm->protocol, pm->externalPort, pm->internalClient,
+			       pm->internalPort,
+			       pm->description, pm->remoteHost,
+			       (unsigned)pm->leaseTime);
+			i++;
+		}
+		FreePortListing(&pdata);
+	}
+	else
+	{
+		printf("GetListOfPortMappings() returned %d (%s)\n",
+		       r, strupnperror(r));
+	}
+	r = UPNP_GetListOfPortMappings(urls->controlURL,
+                                   data->first.servicetype,
+	                               "0",
+	                               "65535",
+	                               "UDP",
+	                               "1000",
+	                               &pdata);
+	if(r == UPNPCOMMAND_SUCCESS)
+	{
+		for(pm = pdata.l_head; pm != NULL; pm = pm->l_next)
+		{
+			printf("%2d %s %5hu->%s:%-5hu '%s' '%s' %u\n",
+			       i, pm->protocol, pm->externalPort, pm->internalClient,
+			       pm->internalPort,
+			       pm->description, pm->remoteHost,
+			       (unsigned)pm->leaseTime);
+			i++;
+		}
+		FreePortListing(&pdata);
+	}
+	else
+	{
+		printf("GetListOfPortMappings() returned %d (%s)\n",
+		       r, strupnperror(r));
+	}
+}
+
+/* Test function
+ * 1 - get connection type
+ * 2 - get extenal ip address
+ * 3 - Add port mapping
+ * 4 - get this port mapping from the IGD */
+static int SetRedirectAndTest(struct UPNPUrls * urls,
+			       struct IGDdatas * data,
+			       const char * iaddr,
+			       const char * iport,
+			       const char * eport,
+			       const char * proto,
+			       const char * leaseDuration,
+			       const char * description,
+			       int addAny)
+{
+	char externalIPAddress[40];
+	char intClient[40];
+	char intPort[6];
+	char reservedPort[6];
+	char duration[16];
+	int r;
+
+	if(!iaddr || !iport || !eport || !proto)
+	{
+		fprintf(stderr, "Wrong arguments\n");
+		return -1;
+	}
+	proto = protofix(proto);
+	if(!proto)
+	{
+		fprintf(stderr, "invalid protocol\n");
+		return -1;
+	}
+
+	r = UPNP_GetExternalIPAddress(urls->controlURL,
+				      data->first.servicetype,
+				      externalIPAddress);
+	if(r!=UPNPCOMMAND_SUCCESS)
+		printf("GetExternalIPAddress failed.\n");
+	else
+		printf("ExternalIPAddress = %s\n", externalIPAddress);
+
+	if (addAny) {
+		r = UPNP_AddAnyPortMapping(urls->controlURL, data->first.servicetype,
+					   eport, iport, iaddr, description,
+					   proto, 0, leaseDuration, reservedPort);
+		if(r==UPNPCOMMAND_SUCCESS)
+			eport = reservedPort;
+		else
+			printf("AddAnyPortMapping(%s, %s, %s) failed with code %d (%s)\n",
+			       eport, iport, iaddr, r, strupnperror(r));
+	} else {
+		r = UPNP_AddPortMapping(urls->controlURL, data->first.servicetype,
+					eport, iport, iaddr, description,
+					proto, 0, leaseDuration);
+		if(r!=UPNPCOMMAND_SUCCESS) {
+			printf("AddPortMapping(%s, %s, %s) failed with code %d (%s)\n",
+			       eport, iport, iaddr, r, strupnperror(r));
+			return -2;
+	}
+	}
+
+	r = UPNP_GetSpecificPortMappingEntry(urls->controlURL,
+					     data->first.servicetype,
+					     eport, proto, NULL/*remoteHost*/,
+					     intClient, intPort, NULL/*desc*/,
+					     NULL/*enabled*/, duration);
+	if(r!=UPNPCOMMAND_SUCCESS) {
+		printf("GetSpecificPortMappingEntry() failed with code %d (%s)\n",
+		       r, strupnperror(r));
+		return -2;
+	} else {
+		printf("InternalIP:Port = %s:%s\n", intClient, intPort);
+		printf("external %s:%s %s is redirected to internal %s:%s (duration=%s)\n",
+		       externalIPAddress, eport, proto, intClient, intPort, duration);
+	}
+	return 0;
+}
+
+static int
+RemoveRedirect(struct UPNPUrls * urls,
+               struct IGDdatas * data,
+               const char * eport,
+               const char * proto,
+               const char * remoteHost)
+{
+	int r;
+	if(!proto || !eport)
+	{
+		fprintf(stderr, "invalid arguments\n");
+		return -1;
+	}
+	proto = protofix(proto);
+	if(!proto)
+	{
+		fprintf(stderr, "protocol invalid\n");
+		return -1;
+	}
+	r = UPNP_DeletePortMapping(urls->controlURL, data->first.servicetype, eport, proto, remoteHost);
+	if(r!=UPNPCOMMAND_SUCCESS) {
+		printf("UPNP_DeletePortMapping() failed with code : %d\n", r);
+		return -2;
+	}else {
+		printf("UPNP_DeletePortMapping() returned : %d\n", r);
+	}
+	return 0;
+}
+
+static int
+RemoveRedirectRange(struct UPNPUrls * urls,
+		    struct IGDdatas * data,
+		    const char * ePortStart, char const * ePortEnd,
+		    const char * proto, const char * manage)
+{
+	int r;
+
+	if (!manage)
+		manage = "0";
+
+	if(!proto || !ePortStart || !ePortEnd)
+	{
+		fprintf(stderr, "invalid arguments\n");
+		return -1;
+	}
+	proto = protofix(proto);
+	if(!proto)
+	{
+		fprintf(stderr, "protocol invalid\n");
+		return -1;
+	}
+	r = UPNP_DeletePortMappingRange(urls->controlURL, data->first.servicetype, ePortStart, ePortEnd, proto, manage);
+	if(r!=UPNPCOMMAND_SUCCESS) {
+		printf("UPNP_DeletePortMappingRange() failed with code : %d\n", r);
+		return -2;
+	}else {
+		printf("UPNP_DeletePortMappingRange() returned : %d\n", r);
+	}
+	return 0;
+}
+
+/* IGD:2, functions for service WANIPv6FirewallControl:1 */
+static void GetFirewallStatus(struct UPNPUrls * urls, struct IGDdatas * data)
+{
+	unsigned int bytessent, bytesreceived, packetsreceived, packetssent;
+	int firewallEnabled = 0, inboundPinholeAllowed = 0;
+
+	UPNP_GetFirewallStatus(urls->controlURL_6FC, data->IPv6FC.servicetype, &firewallEnabled, &inboundPinholeAllowed);
+	printf("FirewallEnabled: %d & Inbound Pinhole Allowed: %d\n", firewallEnabled, inboundPinholeAllowed);
+	printf("GetFirewallStatus:\n   Firewall Enabled: %s\n   Inbound Pinhole Allowed: %s\n", (firewallEnabled)? "Yes":"No", (inboundPinholeAllowed)? "Yes":"No");
+
+	bytessent = UPNP_GetTotalBytesSent(urls->controlURL_CIF, data->CIF.servicetype);
+	bytesreceived = UPNP_GetTotalBytesReceived(urls->controlURL_CIF, data->CIF.servicetype);
+	packetssent = UPNP_GetTotalPacketsSent(urls->controlURL_CIF, data->CIF.servicetype);
+	packetsreceived = UPNP_GetTotalPacketsReceived(urls->controlURL_CIF, data->CIF.servicetype);
+	printf("Bytes:   Sent: %8u\tRecv: %8u\n", bytessent, bytesreceived);
+	printf("Packets: Sent: %8u\tRecv: %8u\n", packetssent, packetsreceived);
+}
+
+/* Test function
+ * 1 - Add pinhole
+ * 2 - Check if pinhole is working from the IGD side */
+static void SetPinholeAndTest(struct UPNPUrls * urls, struct IGDdatas * data,
+					const char * remoteaddr, const char * eport,
+					const char * intaddr, const char * iport,
+					const char * proto, const char * lease_time)
+{
+	char uniqueID[8];
+	/*int isWorking = 0;*/
+	int r;
+	char proto_tmp[8];
+
+	if(!intaddr || !remoteaddr || !iport || !eport || !proto || !lease_time)
+	{
+		fprintf(stderr, "Wrong arguments\n");
+		return;
+	}
+	if(atoi(proto) == 0)
+	{
+		const char * protocol;
+		protocol = protofix(proto);
+		if(protocol && (strcmp("TCP", protocol) == 0))
+		{
+			snprintf(proto_tmp, sizeof(proto_tmp), "%d", IPPROTO_TCP);
+			proto = proto_tmp;
+		}
+		else if(protocol && (strcmp("UDP", protocol) == 0))
+		{
+			snprintf(proto_tmp, sizeof(proto_tmp), "%d", IPPROTO_UDP);
+			proto = proto_tmp;
+		}
+		else
+		{
+			fprintf(stderr, "invalid protocol\n");
+			return;
+		}
+	}
+	r = UPNP_AddPinhole(urls->controlURL_6FC, data->IPv6FC.servicetype, remoteaddr, eport, intaddr, iport, proto, lease_time, uniqueID);
+	if(r!=UPNPCOMMAND_SUCCESS)
+		printf("AddPinhole([%s]:%s -> [%s]:%s) failed with code %d (%s)\n",
+		       remoteaddr, eport, intaddr, iport, r, strupnperror(r));
+	else
+	{
+		printf("AddPinhole: ([%s]:%s -> [%s]:%s) / Pinhole ID = %s\n",
+		       remoteaddr, eport, intaddr, iport, uniqueID);
+		/*r = UPNP_CheckPinholeWorking(urls->controlURL_6FC, data->servicetype_6FC, uniqueID, &isWorking);
+		if(r!=UPNPCOMMAND_SUCCESS)
+			printf("CheckPinholeWorking() failed with code %d (%s)\n", r, strupnperror(r));
+		printf("CheckPinholeWorking: Pinhole ID = %s / IsWorking = %s\n", uniqueID, (isWorking)? "Yes":"No");*/
+	}
+}
+
+/* Test function
+ * 1 - Check if pinhole is working from the IGD side
+ * 2 - Update pinhole */
+static void GetPinholeAndUpdate(struct UPNPUrls * urls, struct IGDdatas * data,
+					const char * uniqueID, const char * lease_time)
+{
+	int isWorking = 0;
+	int r;
+
+	if(!uniqueID || !lease_time)
+	{
+		fprintf(stderr, "Wrong arguments\n");
+		return;
+	}
+	r = UPNP_CheckPinholeWorking(urls->controlURL_6FC, data->IPv6FC.servicetype, uniqueID, &isWorking);
+	printf("CheckPinholeWorking: Pinhole ID = %s / IsWorking = %s\n", uniqueID, (isWorking)? "Yes":"No");
+	if(r!=UPNPCOMMAND_SUCCESS)
+		printf("CheckPinholeWorking() failed with code %d (%s)\n", r, strupnperror(r));
+	if(isWorking || r==709)
+	{
+		r = UPNP_UpdatePinhole(urls->controlURL_6FC, data->IPv6FC.servicetype, uniqueID, lease_time);
+		printf("UpdatePinhole: Pinhole ID = %s with Lease Time: %s\n", uniqueID, lease_time);
+		if(r!=UPNPCOMMAND_SUCCESS)
+			printf("UpdatePinhole: ID (%s) failed with code %d (%s)\n", uniqueID, r, strupnperror(r));
+	}
+}
+
+/* Test function
+ * Get pinhole timeout
+ */
+static void GetPinholeOutboundTimeout(struct UPNPUrls * urls, struct IGDdatas * data,
+					const char * remoteaddr, const char * eport,
+					const char * intaddr, const char * iport,
+					const char * proto)
+{
+	int timeout = 0;
+	int r;
+
+	if(!intaddr || !remoteaddr || !iport || !eport || !proto)
+	{
+		fprintf(stderr, "Wrong arguments\n");
+		return;
+	}
+
+	r = UPNP_GetOutboundPinholeTimeout(urls->controlURL_6FC, data->IPv6FC.servicetype, remoteaddr, eport, intaddr, iport, proto, &timeout);
+	if(r!=UPNPCOMMAND_SUCCESS)
+		printf("GetOutboundPinholeTimeout([%s]:%s -> [%s]:%s) failed with code %d (%s)\n",
+		       intaddr, iport, remoteaddr, eport, r, strupnperror(r));
+	else
+		printf("GetOutboundPinholeTimeout: ([%s]:%s -> [%s]:%s) / Timeout = %d\n", intaddr, iport, remoteaddr, eport, timeout);
+}
+
+static void
+GetPinholePackets(struct UPNPUrls * urls,
+               struct IGDdatas * data, const char * uniqueID)
+{
+	int r, pinholePackets = 0;
+	if(!uniqueID)
+	{
+		fprintf(stderr, "invalid arguments\n");
+		return;
+	}
+	r = UPNP_GetPinholePackets(urls->controlURL_6FC, data->IPv6FC.servicetype, uniqueID, &pinholePackets);
+	if(r!=UPNPCOMMAND_SUCCESS)
+		printf("GetPinholePackets() failed with code %d (%s)\n", r, strupnperror(r));
+	else
+		printf("GetPinholePackets: Pinhole ID = %s / PinholePackets = %d\n", uniqueID, pinholePackets);
+}
+
+static void
+CheckPinhole(struct UPNPUrls * urls,
+               struct IGDdatas * data, const char * uniqueID)
+{
+	int r, isWorking = 0;
+	if(!uniqueID)
+	{
+		fprintf(stderr, "invalid arguments\n");
+		return;
+	}
+	r = UPNP_CheckPinholeWorking(urls->controlURL_6FC, data->IPv6FC.servicetype, uniqueID, &isWorking);
+	if(r!=UPNPCOMMAND_SUCCESS)
+		printf("CheckPinholeWorking() failed with code %d (%s)\n", r, strupnperror(r));
+	else
+		printf("CheckPinholeWorking: Pinhole ID = %s / IsWorking = %s\n", uniqueID, (isWorking)? "Yes":"No");
+}
+
+static void
+RemovePinhole(struct UPNPUrls * urls,
+               struct IGDdatas * data, const char * uniqueID)
+{
+	int r;
+	if(!uniqueID)
+	{
+		fprintf(stderr, "invalid arguments\n");
+		return;
+	}
+	r = UPNP_DeletePinhole(urls->controlURL_6FC, data->IPv6FC.servicetype, uniqueID);
+	printf("UPNP_DeletePinhole() returned : %d\n", r);
+}
+
+
+/* sample upnp client program */
+int main(int argc, char ** argv)
+{
+	char command = 0;
+	char ** commandargv = 0;
+	int commandargc = 0;
+	struct UPNPDev * devlist = 0;
+	char lanaddr[64] = "unset";	/* my ip address on the LAN */
+	int i;
+	const char * rootdescurl = 0;
+	const char * multicastif = 0;
+	const char * minissdpdpath = 0;
+	int localport = UPNP_LOCAL_PORT_ANY;
+	int retcode = 0;
+	int error = 0;
+	int ipv6 = 0;
+	unsigned char ttl = 2;	/* defaulting to 2 */
+	const char * description = 0;
+
+#ifdef _WIN32
+	WSADATA wsaData;
+	int nResult = WSAStartup(MAKEWORD(2,2), &wsaData);
+	if(nResult != NO_ERROR)
+	{
+		fprintf(stderr, "WSAStartup() failed.\n");
+		return -1;
+	}
+#endif
+    printf("upnpc : miniupnpc library test client, version %s.\n", MINIUPNPC_VERSION_STRING);
+	printf(" (c) 2005-2018 Thomas Bernard.\n");
+    printf("Go to http://miniupnp.free.fr/ or https://miniupnp.tuxfamily.org/\n"
+	       "for more information.\n");
+	/* command line processing */
+	for(i=1; i<argc; i++)
+	{
+		if(0 == strcmp(argv[i], "--help") || 0 == strcmp(argv[i], "-h"))
+		{
+			command = 0;
+			break;
+		}
+		if(argv[i][0] == '-')
+		{
+			if(argv[i][1] == 'u')
+				rootdescurl = argv[++i];
+			else if(argv[i][1] == 'm')
+			{
+				multicastif = argv[++i];
+				minissdpdpath = "";	/* Disable usage of minissdpd */
+			}
+			else if(argv[i][1] == 'z')
+			{
+				char junk;
+				if(sscanf(argv[++i], "%d%c", &localport, &junk)!=1 ||
+					localport<0 || localport>65535 ||
+				   (localport >1 && localport < 1024))
+				{
+					fprintf(stderr, "Invalid localport '%s'\n", argv[i]);
+					localport = UPNP_LOCAL_PORT_ANY;
+					break;
+				}
+			}
+			else if(argv[i][1] == 'p')
+				minissdpdpath = argv[++i];
+			else if(argv[i][1] == '6')
+				ipv6 = 1;
+			else if(argv[i][1] == 'e')
+				description = argv[++i];
+			else if(argv[i][1] == 't')
+				ttl = (unsigned char)atoi(argv[++i]);
+			else
+			{
+				command = argv[i][1];
+				i++;
+				commandargv = argv + i;
+				commandargc = argc - i;
+				break;
+			}
+		}
+		else
+		{
+			fprintf(stderr, "option '%s' invalid\n", argv[i]);
+		}
+	}
+
+	if(!command
+	   || (command == 'a' && commandargc<4)
+	   || (command == 'd' && argc<2)
+	   || (command == 'r' && argc<2)
+	   || (command == 'A' && commandargc<6)
+	   || (command == 'U' && commandargc<2)
+	   || (command == 'D' && commandargc<1))
+	{
+		fprintf(stderr, "Usage :\t%s [options] -a ip port external_port protocol [duration]\n\t\tAdd port redirection\n", argv[0]);
+		fprintf(stderr, "       \t%s [options] -d external_port protocol <remote host>\n\t\tDelete port redirection\n", argv[0]);
+		fprintf(stderr, "       \t%s [options] -s\n\t\tGet Connection status\n", argv[0]);
+		fprintf(stderr, "       \t%s [options] -l\n\t\tList redirections\n", argv[0]);
+		fprintf(stderr, "       \t%s [options] -L\n\t\tList redirections (using GetListOfPortMappings (for IGD:2 only)\n", argv[0]);
+		fprintf(stderr, "       \t%s [options] -n ip port external_port protocol [duration]\n\t\tAdd (any) port redirection allowing IGD to use alternative external_port (for IGD:2 only)\n", argv[0]);
+		fprintf(stderr, "       \t%s [options] -N external_port_start external_port_end protocol [manage]\n\t\tDelete range of port redirections (for IGD:2 only)\n", argv[0]);
+		fprintf(stderr, "       \t%s [options] -r port1 [external_port1] protocol1 [port2 [external_port2] protocol2] [...]\n\t\tAdd all redirections to the current host\n", argv[0]);
+		fprintf(stderr, "       \t%s [options] -A remote_ip remote_port internal_ip internal_port protocol lease_time\n\t\tAdd Pinhole (for IGD:2 only)\n", argv[0]);
+		fprintf(stderr, "       \t%s [options] -U uniqueID new_lease_time\n\t\tUpdate Pinhole (for IGD:2 only)\n", argv[0]);
+		fprintf(stderr, "       \t%s [options] -C uniqueID\n\t\tCheck if Pinhole is Working (for IGD:2 only)\n", argv[0]);
+		fprintf(stderr, "       \t%s [options] -K uniqueID\n\t\tGet Number of packets going through the rule (for IGD:2 only)\n", argv[0]);
+		fprintf(stderr, "       \t%s [options] -D uniqueID\n\t\tDelete Pinhole (for IGD:2 only)\n", argv[0]);
+		fprintf(stderr, "       \t%s [options] -S\n\t\tGet Firewall status (for IGD:2 only)\n", argv[0]);
+		fprintf(stderr, "       \t%s [options] -G remote_ip remote_port internal_ip internal_port protocol\n\t\tGet Outbound Pinhole Timeout (for IGD:2 only)\n", argv[0]);
+		fprintf(stderr, "       \t%s [options] -P\n\t\tGet Presentation url\n", argv[0]);
+		fprintf(stderr, "\nprotocol is UDP or TCP\n");
+		fprintf(stderr, "Options:\n");
+		fprintf(stderr, "  -e description : set description for port mapping.\n");
+		fprintf(stderr, "  -6 : use ip v6 instead of ip v4.\n");
+		fprintf(stderr, "  -u url : bypass discovery process by providing the XML root description url.\n");
+		fprintf(stderr, "  -m address/interface : provide ip address (ip v4) or interface name (ip v4 or v6) to use for sending SSDP multicast packets.\n");
+		fprintf(stderr, "  -z localport : SSDP packets local (source) port (1024-65535).\n");
+		fprintf(stderr, "  -p path : use this path for MiniSSDPd socket.\n");
+		fprintf(stderr, "  -t ttl : set multicast TTL. Default value is 2.\n");
+		return 1;
+	}
+
+	if( rootdescurl
+	  || (devlist = upnpDiscover(2000, multicastif, minissdpdpath,
+	                             localport, ipv6, ttl, &error)))
+	{
+		struct UPNPDev * device;
+		struct UPNPUrls urls;
+		struct IGDdatas data;
+		if(devlist)
+		{
+			printf("List of UPNP devices found on the network :\n");
+			for(device = devlist; device; device = device->pNext)
+			{
+				printf(" desc: %s\n st: %s\n\n",
+					   device->descURL, device->st);
+			}
+		}
+		else if(!rootdescurl)
+		{
+			printf("upnpDiscover() error code=%d\n", error);
+		}
+		i = 1;
+		if( (rootdescurl && UPNP_GetIGDFromUrl(rootdescurl, &urls, &data, lanaddr, sizeof(lanaddr)))
+		  || (i = UPNP_GetValidIGD(devlist, &urls, &data, lanaddr, sizeof(lanaddr))))
+		{
+			switch(i) {
+			case 1:
+				printf("Found valid IGD : %s\n", urls.controlURL);
+				break;
+			case 2:
+				printf("Found a (not connected?) IGD : %s\n", urls.controlURL);
+				printf("Trying to continue anyway\n");
+				break;
+			case 3:
+				printf("UPnP device found. Is it an IGD ? : %s\n", urls.controlURL);
+				printf("Trying to continue anyway\n");
+				break;
+			default:
+				printf("Found device (igd ?) : %s\n", urls.controlURL);
+				printf("Trying to continue anyway\n");
+			}
+			printf("Local LAN ip address : %s\n", lanaddr);
+			#if 0
+			printf("getting \"%s\"\n", urls.ipcondescURL);
+			descXML = miniwget(urls.ipcondescURL, &descXMLsize);
+			if(descXML)
+			{
+				/*fwrite(descXML, 1, descXMLsize, stdout);*/
+				free(descXML); descXML = NULL;
+			}
+			#endif
+
+			switch(command)
+			{
+			case 'l':
+				DisplayInfos(&urls, &data);
+				ListRedirections(&urls, &data);
+				break;
+			case 'L':
+				NewListRedirections(&urls, &data);
+				break;
+			case 'a':
+				if (SetRedirectAndTest(&urls, &data,
+						   commandargv[0], commandargv[1],
+						   commandargv[2], commandargv[3],
+						   (commandargc > 4)?commandargv[4]:"0",
+						   description, 0) < 0)
+					retcode = 2;
+				break;
+			case 'd':
+				if (RemoveRedirect(&urls, &data, commandargv[0], commandargv[1],
+				               commandargc > 2 ? commandargv[2] : NULL) < 0)
+					retcode = 2;
+				break;
+			case 'n':	/* aNy */
+				if (SetRedirectAndTest(&urls, &data,
+						   commandargv[0], commandargv[1],
+						   commandargv[2], commandargv[3],
+						   (commandargc > 4)?commandargv[4]:"0",
+						   description, 1) < 0)
+					retcode = 2;
+				break;
+			case 'N':
+				if (commandargc < 3)
+					fprintf(stderr, "too few arguments\n");
+
+				if (RemoveRedirectRange(&urls, &data, commandargv[0], commandargv[1], commandargv[2],
+						    commandargc > 3 ? commandargv[3] : NULL) < 0)
+					retcode = 2;
+				break;
+			case 's':
+				GetConnectionStatus(&urls, &data);
+				break;
+			case 'r':
+				i = 0;
+				while(i<commandargc)
+				{
+					if(!is_int(commandargv[i])) {
+						/* 1st parameter not an integer : error */
+						fprintf(stderr, "command -r : %s is not an port number\n", commandargv[i]);
+						retcode = 1;
+						break;
+					} else if(is_int(commandargv[i+1])){
+						/* 2nd parameter is an integer : <port> <external_port> <protocol> */
+						if (SetRedirectAndTest(&urls, &data,
+								   lanaddr, commandargv[i],
+								   commandargv[i+1], commandargv[i+2], "0",
+								   description, 0) < 0)
+							retcode = 2;
+						i+=3;	/* 3 parameters parsed */
+					} else {
+						/* 2nd parameter not an integer : <port> <protocol> */
+						if (SetRedirectAndTest(&urls, &data,
+								   lanaddr, commandargv[i],
+								   commandargv[i], commandargv[i+1], "0",
+								   description, 0) < 0)
+							retcode = 2;
+						i+=2;	/* 2 parameters parsed */
+					}
+				}
+				break;
+			case 'A':
+				SetPinholeAndTest(&urls, &data,
+				                  commandargv[0], commandargv[1],
+				                  commandargv[2], commandargv[3],
+				                  commandargv[4], commandargv[5]);
+				break;
+			case 'U':
+				GetPinholeAndUpdate(&urls, &data,
+				                   commandargv[0], commandargv[1]);
+				break;
+			case 'C':
+				for(i=0; i<commandargc; i++)
+				{
+					CheckPinhole(&urls, &data, commandargv[i]);
+				}
+				break;
+			case 'K':
+				for(i=0; i<commandargc; i++)
+				{
+					GetPinholePackets(&urls, &data, commandargv[i]);
+				}
+				break;
+			case 'D':
+				for(i=0; i<commandargc; i++)
+				{
+					RemovePinhole(&urls, &data, commandargv[i]);
+				}
+				break;
+			case 'S':
+				GetFirewallStatus(&urls, &data);
+				break;
+			case 'G':
+				GetPinholeOutboundTimeout(&urls, &data,
+							commandargv[0], commandargv[1],
+							commandargv[2], commandargv[3],
+							commandargv[4]);
+				break;
+			case 'P':
+				printf("Presentation URL found:\n");
+				printf("            %s\n", data.presentationurl);
+				break;
+			default:
+				fprintf(stderr, "Unknown switch -%c\n", command);
+				retcode = 1;
+			}
+
+			FreeUPNPUrls(&urls);
+		}
+		else
+		{
+			fprintf(stderr, "No valid UPNP Internet Gateway Device found.\n");
+			retcode = 1;
+		}
+		freeUPNPDevlist(devlist); devlist = 0;
+	}
+	else
+	{
+		fprintf(stderr, "No IGD UPnP Device found on the network !\n");
+		retcode = 1;
+	}
+#ifdef _WIN32
+	nResult = WSACleanup();
+	if(nResult != NO_ERROR) {
+		fprintf(stderr, "WSACleanup() failed.\n");
+	}
+#endif /* _WIN32 */
+	return retcode;
+}
+
diff --git a/thirdparty/miniupnpc/upnpcommands.c b/thirdparty/miniupnpc/upnpcommands.c
new file mode 100644
index 0000000000..b6a693a93a
--- /dev/null
+++ b/thirdparty/miniupnpc/upnpcommands.c
@@ -0,0 +1,1241 @@
+/* $Id: upnpcommands.c,v 1.49 2018/03/13 23:34:47 nanard Exp $ */
+/* vim: tabstop=4 shiftwidth=4 noexpandtab
+ * Project : miniupnp
+ * Author : Thomas Bernard
+ * Copyright (c) 2005-2018 Thomas Bernard
+ * This software is subject to the conditions detailed in the
+ * LICENCE file provided in this distribution.
+ * */
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "upnpcommands.h"
+#include "miniupnpc.h"
+#include "portlistingparse.h"
+#include "upnpreplyparse.h"
+
+static UNSIGNED_INTEGER
+my_atoui(const char * s)
+{
+	return s ? ((UNSIGNED_INTEGER)STRTOUI(s, NULL, 0)) : 0;
+}
+
+/*
+ * */
+MINIUPNP_LIBSPEC UNSIGNED_INTEGER
+UPNP_GetTotalBytesSent(const char * controlURL,
+					const char * servicetype)
+{
+	struct NameValueParserData pdata;
+	char * buffer;
+	int bufsize;
+	unsigned int r = 0;
+	char * p;
+	if(!(buffer = simpleUPnPcommand(-1, controlURL, servicetype,
+	                                "GetTotalBytesSent", 0, &bufsize))) {
+		return UPNPCOMMAND_HTTP_ERROR;
+	}
+	ParseNameValue(buffer, bufsize, &pdata);
+	/*DisplayNameValueList(buffer, bufsize);*/
+	free(buffer); buffer = NULL;
+	p = GetValueFromNameValueList(&pdata, "NewTotalBytesSent");
+	r = my_atoui(p);
+	ClearNameValueList(&pdata);
+	return r;
+}
+
+/*
+ * */
+MINIUPNP_LIBSPEC UNSIGNED_INTEGER
+UPNP_GetTotalBytesReceived(const char * controlURL,
+						const char * servicetype)
+{
+	struct NameValueParserData pdata;
+	char * buffer;
+	int bufsize;
+	unsigned int r = 0;
+	char * p;
+	if(!(buffer = simpleUPnPcommand(-1, controlURL, servicetype,
+	                                "GetTotalBytesReceived", 0, &bufsize))) {
+		return UPNPCOMMAND_HTTP_ERROR;
+	}
+	ParseNameValue(buffer, bufsize, &pdata);
+	/*DisplayNameValueList(buffer, bufsize);*/
+	free(buffer); buffer = NULL;
+	p = GetValueFromNameValueList(&pdata, "NewTotalBytesReceived");
+	r = my_atoui(p);
+	ClearNameValueList(&pdata);
+	return r;
+}
+
+/*
+ * */
+MINIUPNP_LIBSPEC UNSIGNED_INTEGER
+UPNP_GetTotalPacketsSent(const char * controlURL,
+						const char * servicetype)
+{
+	struct NameValueParserData pdata;
+	char * buffer;
+	int bufsize;
+	unsigned int r = 0;
+	char * p;
+	if(!(buffer = simpleUPnPcommand(-1, controlURL, servicetype,
+	                                "GetTotalPacketsSent", 0, &bufsize))) {
+		return UPNPCOMMAND_HTTP_ERROR;
+	}
+	ParseNameValue(buffer, bufsize, &pdata);
+	/*DisplayNameValueList(buffer, bufsize);*/
+	free(buffer); buffer = NULL;
+	p = GetValueFromNameValueList(&pdata, "NewTotalPacketsSent");
+	r = my_atoui(p);
+	ClearNameValueList(&pdata);
+	return r;
+}
+
+/*
+ * */
+MINIUPNP_LIBSPEC UNSIGNED_INTEGER
+UPNP_GetTotalPacketsReceived(const char * controlURL,
+						const char * servicetype)
+{
+	struct NameValueParserData pdata;
+	char * buffer;
+	int bufsize;
+	unsigned int r = 0;
+	char * p;
+	if(!(buffer = simpleUPnPcommand(-1, controlURL, servicetype,
+	                                "GetTotalPacketsReceived", 0, &bufsize))) {
+		return UPNPCOMMAND_HTTP_ERROR;
+	}
+	ParseNameValue(buffer, bufsize, &pdata);
+	/*DisplayNameValueList(buffer, bufsize);*/
+	free(buffer); buffer = NULL;
+	p = GetValueFromNameValueList(&pdata, "NewTotalPacketsReceived");
+	r = my_atoui(p);
+	ClearNameValueList(&pdata);
+	return r;
+}
+
+/* UPNP_GetStatusInfo() call the corresponding UPNP method
+ * returns the current status and uptime */
+MINIUPNP_LIBSPEC int
+UPNP_GetStatusInfo(const char * controlURL,
+				const char * servicetype,
+				char * status,
+				unsigned int * uptime,
+				char * lastconnerror)
+{
+	struct NameValueParserData pdata;
+	char * buffer;
+	int bufsize;
+	char * p;
+	char * up;
+	char * err;
+	int ret = UPNPCOMMAND_UNKNOWN_ERROR;
+
+	if(!status && !uptime)
+		return UPNPCOMMAND_INVALID_ARGS;
+
+	if(!(buffer = simpleUPnPcommand(-1, controlURL, servicetype,
+	                                "GetStatusInfo", 0, &bufsize))) {
+		return UPNPCOMMAND_HTTP_ERROR;
+	}
+	ParseNameValue(buffer, bufsize, &pdata);
+	/*DisplayNameValueList(buffer, bufsize);*/
+	free(buffer); buffer = NULL;
+	up = GetValueFromNameValueList(&pdata, "NewUptime");
+	p = GetValueFromNameValueList(&pdata, "NewConnectionStatus");
+	err = GetValueFromNameValueList(&pdata, "NewLastConnectionError");
+	if(p && up)
+	  ret = UPNPCOMMAND_SUCCESS;
+
+	if(status) {
+		if(p){
+			strncpy(status, p, 64 );
+			status[63] = '\0';
+		}else
+			status[0]= '\0';
+	}
+
+	if(uptime) {
+		if(up)
+			sscanf(up,"%u",uptime);
+		else
+			*uptime = 0;
+	}
+
+	if(lastconnerror) {
+		if(err) {
+			strncpy(lastconnerror, err, 64 );
+			lastconnerror[63] = '\0';
+		} else
+			lastconnerror[0] = '\0';
+	}
+
+	p = GetValueFromNameValueList(&pdata, "errorCode");
+	if(p) {
+		ret = UPNPCOMMAND_UNKNOWN_ERROR;
+		sscanf(p, "%d", &ret);
+	}
+	ClearNameValueList(&pdata);
+	return ret;
+}
+
+/* UPNP_GetConnectionTypeInfo() call the corresponding UPNP method
+ * returns the connection type */
+MINIUPNP_LIBSPEC int
+UPNP_GetConnectionTypeInfo(const char * controlURL,
+                           const char * servicetype,
+                           char * connectionType)
+{
+	struct NameValueParserData pdata;
+	char * buffer;
+	int bufsize;
+	char * p;
+	int ret = UPNPCOMMAND_UNKNOWN_ERROR;
+
+	if(!connectionType)
+		return UPNPCOMMAND_INVALID_ARGS;
+
+	if(!(buffer = simpleUPnPcommand(-1, controlURL, servicetype,
+	                                "GetConnectionTypeInfo", 0, &bufsize))) {
+		return UPNPCOMMAND_HTTP_ERROR;
+	}
+	ParseNameValue(buffer, bufsize, &pdata);
+	free(buffer); buffer = NULL;
+	p = GetValueFromNameValueList(&pdata, "NewConnectionType");
+	/*p = GetValueFromNameValueList(&pdata, "NewPossibleConnectionTypes");*/
+	/* PossibleConnectionTypes will have several values.... */
+	if(p) {
+		strncpy(connectionType, p, 64 );
+		connectionType[63] = '\0';
+		ret = UPNPCOMMAND_SUCCESS;
+	} else
+		connectionType[0] = '\0';
+	p = GetValueFromNameValueList(&pdata, "errorCode");
+	if(p) {
+		ret = UPNPCOMMAND_UNKNOWN_ERROR;
+		sscanf(p, "%d", &ret);
+	}
+	ClearNameValueList(&pdata);
+	return ret;
+}
+
+/* UPNP_GetLinkLayerMaxBitRate() call the corresponding UPNP method.
+ * Returns 2 values: Downloadlink bandwidth and Uplink bandwidth.
+ * One of the values can be null
+ * Note : GetLinkLayerMaxBitRates belongs to WANPPPConnection:1 only
+ * We can use the GetCommonLinkProperties from WANCommonInterfaceConfig:1 */
+MINIUPNP_LIBSPEC int
+UPNP_GetLinkLayerMaxBitRates(const char * controlURL,
+                             const char * servicetype,
+                             unsigned int * bitrateDown,
+                             unsigned int * bitrateUp)
+{
+	struct NameValueParserData pdata;
+	char * buffer;
+	int bufsize;
+	int ret = UPNPCOMMAND_UNKNOWN_ERROR;
+	char * down;
+	char * up;
+	char * p;
+
+	if(!bitrateDown && !bitrateUp)
+		return UPNPCOMMAND_INVALID_ARGS;
+
+	/* shouldn't we use GetCommonLinkProperties ? */
+	if(!(buffer = simpleUPnPcommand(-1, controlURL, servicetype,
+	                                "GetCommonLinkProperties", 0, &bufsize))) {
+	                              /*"GetLinkLayerMaxBitRates", 0, &bufsize);*/
+		return UPNPCOMMAND_HTTP_ERROR;
+	}
+	/*DisplayNameValueList(buffer, bufsize);*/
+	ParseNameValue(buffer, bufsize, &pdata);
+	free(buffer); buffer = NULL;
+	/*down = GetValueFromNameValueList(&pdata, "NewDownstreamMaxBitRate");*/
+	/*up = GetValueFromNameValueList(&pdata, "NewUpstreamMaxBitRate");*/
+	down = GetValueFromNameValueList(&pdata, "NewLayer1DownstreamMaxBitRate");
+	up = GetValueFromNameValueList(&pdata, "NewLayer1UpstreamMaxBitRate");
+	/*GetValueFromNameValueList(&pdata, "NewWANAccessType");*/
+	/*GetValueFromNameValueList(&pdata, "NewPhysicalLinkStatus");*/
+	if(down && up)
+		ret = UPNPCOMMAND_SUCCESS;
+
+	if(bitrateDown) {
+		if(down)
+			sscanf(down,"%u",bitrateDown);
+		else
+			*bitrateDown = 0;
+	}
+
+	if(bitrateUp) {
+		if(up)
+			sscanf(up,"%u",bitrateUp);
+		else
+			*bitrateUp = 0;
+	}
+	p = GetValueFromNameValueList(&pdata, "errorCode");
+	if(p) {
+		ret = UPNPCOMMAND_UNKNOWN_ERROR;
+		sscanf(p, "%d", &ret);
+	}
+	ClearNameValueList(&pdata);
+	return ret;
+}
+
+
+/* UPNP_GetExternalIPAddress() call the corresponding UPNP method.
+ * if the third arg is not null the value is copied to it.
+ * at least 16 bytes must be available
+ *
+ * Return values :
+ * 0 : SUCCESS
+ * NON ZERO : ERROR Either an UPnP error code or an unknown error.
+ *
+ * 402 Invalid Args - See UPnP Device Architecture section on Control.
+ * 501 Action Failed - See UPnP Device Architecture section on Control.
+ */
+MINIUPNP_LIBSPEC int
+UPNP_GetExternalIPAddress(const char * controlURL,
+                          const char * servicetype,
+                          char * extIpAdd)
+{
+	struct NameValueParserData pdata;
+	char * buffer;
+	int bufsize;
+	char * p;
+	int ret = UPNPCOMMAND_UNKNOWN_ERROR;
+
+	if(!extIpAdd || !controlURL || !servicetype)
+		return UPNPCOMMAND_INVALID_ARGS;
+
+	if(!(buffer = simpleUPnPcommand(-1, controlURL, servicetype,
+	                                "GetExternalIPAddress", 0, &bufsize))) {
+		return UPNPCOMMAND_HTTP_ERROR;
+	}
+	/*DisplayNameValueList(buffer, bufsize);*/
+	ParseNameValue(buffer, bufsize, &pdata);
+	free(buffer); buffer = NULL;
+	/*printf("external ip = %s\n", GetValueFromNameValueList(&pdata, "NewExternalIPAddress") );*/
+	p = GetValueFromNameValueList(&pdata, "NewExternalIPAddress");
+	if(p) {
+		strncpy(extIpAdd, p, 16 );
+		extIpAdd[15] = '\0';
+		ret = UPNPCOMMAND_SUCCESS;
+	} else
+		extIpAdd[0] = '\0';
+
+	p = GetValueFromNameValueList(&pdata, "errorCode");
+	if(p) {
+		ret = UPNPCOMMAND_UNKNOWN_ERROR;
+		sscanf(p, "%d", &ret);
+	}
+
+	ClearNameValueList(&pdata);
+	return ret;
+}
+
+MINIUPNP_LIBSPEC int
+UPNP_AddPortMapping(const char * controlURL, const char * servicetype,
+		    const char * extPort,
+		    const char * inPort,
+		    const char * inClient,
+		    const char * desc,
+		    const char * proto,
+		    const char * remoteHost,
+		    const char * leaseDuration)
+{
+	struct UPNParg * AddPortMappingArgs;
+	char * buffer;
+	int bufsize;
+	struct NameValueParserData pdata;
+	const char * resVal;
+	int ret;
+
+	if(!inPort || !inClient || !proto || !extPort)
+		return UPNPCOMMAND_INVALID_ARGS;
+
+	AddPortMappingArgs = calloc(9, sizeof(struct UPNParg));
+	if(AddPortMappingArgs == NULL)
+		return UPNPCOMMAND_MEM_ALLOC_ERROR;
+	AddPortMappingArgs[0].elt = "NewRemoteHost";
+	AddPortMappingArgs[0].val = remoteHost;
+	AddPortMappingArgs[1].elt = "NewExternalPort";
+	AddPortMappingArgs[1].val = extPort;
+	AddPortMappingArgs[2].elt = "NewProtocol";
+	AddPortMappingArgs[2].val = proto;
+	AddPortMappingArgs[3].elt = "NewInternalPort";
+	AddPortMappingArgs[3].val = inPort;
+	AddPortMappingArgs[4].elt = "NewInternalClient";
+	AddPortMappingArgs[4].val = inClient;
+	AddPortMappingArgs[5].elt = "NewEnabled";
+	AddPortMappingArgs[5].val = "1";
+	AddPortMappingArgs[6].elt = "NewPortMappingDescription";
+	AddPortMappingArgs[6].val = desc?desc:"libminiupnpc";
+	AddPortMappingArgs[7].elt = "NewLeaseDuration";
+	AddPortMappingArgs[7].val = leaseDuration?leaseDuration:"0";
+	buffer = simpleUPnPcommand(-1, controlURL, servicetype,
+	                           "AddPortMapping", AddPortMappingArgs,
+	                           &bufsize);
+	free(AddPortMappingArgs);
+	if(!buffer) {
+		return UPNPCOMMAND_HTTP_ERROR;
+	}
+	/*DisplayNameValueList(buffer, bufsize);*/
+	/*buffer[bufsize] = '\0';*/
+	/*puts(buffer);*/
+	ParseNameValue(buffer, bufsize, &pdata);
+	free(buffer); buffer = NULL;
+	resVal = GetValueFromNameValueList(&pdata, "errorCode");
+	if(resVal) {
+		/*printf("AddPortMapping errorCode = '%s'\n", resVal); */
+		ret = UPNPCOMMAND_UNKNOWN_ERROR;
+		sscanf(resVal, "%d", &ret);
+	} else {
+		ret = UPNPCOMMAND_SUCCESS;
+	}
+	ClearNameValueList(&pdata);
+	return ret;
+}
+
+MINIUPNP_LIBSPEC int
+UPNP_AddAnyPortMapping(const char * controlURL, const char * servicetype,
+		       const char * extPort,
+		       const char * inPort,
+		       const char * inClient,
+		       const char * desc,
+		       const char * proto,
+		       const char * remoteHost,
+		       const char * leaseDuration,
+		       char * reservedPort)
+{
+	struct UPNParg * AddPortMappingArgs;
+	char * buffer;
+	int bufsize;
+	struct NameValueParserData pdata;
+	const char * resVal;
+	int ret;
+
+	if(!inPort || !inClient || !proto || !extPort)
+		return UPNPCOMMAND_INVALID_ARGS;
+
+	AddPortMappingArgs = calloc(9, sizeof(struct UPNParg));
+	if(AddPortMappingArgs == NULL)
+		return UPNPCOMMAND_MEM_ALLOC_ERROR;
+	AddPortMappingArgs[0].elt = "NewRemoteHost";
+	AddPortMappingArgs[0].val = remoteHost;
+	AddPortMappingArgs[1].elt = "NewExternalPort";
+	AddPortMappingArgs[1].val = extPort;
+	AddPortMappingArgs[2].elt = "NewProtocol";
+	AddPortMappingArgs[2].val = proto;
+	AddPortMappingArgs[3].elt = "NewInternalPort";
+	AddPortMappingArgs[3].val = inPort;
+	AddPortMappingArgs[4].elt = "NewInternalClient";
+	AddPortMappingArgs[4].val = inClient;
+	AddPortMappingArgs[5].elt = "NewEnabled";
+	AddPortMappingArgs[5].val = "1";
+	AddPortMappingArgs[6].elt = "NewPortMappingDescription";
+	AddPortMappingArgs[6].val = desc?desc:"libminiupnpc";
+	AddPortMappingArgs[7].elt = "NewLeaseDuration";
+	AddPortMappingArgs[7].val = leaseDuration?leaseDuration:"0";
+	buffer = simpleUPnPcommand(-1, controlURL, servicetype,
+	                           "AddAnyPortMapping", AddPortMappingArgs,
+	                           &bufsize);
+	free(AddPortMappingArgs);
+	if(!buffer) {
+		return UPNPCOMMAND_HTTP_ERROR;
+	}
+	ParseNameValue(buffer, bufsize, &pdata);
+	free(buffer); buffer = NULL;
+	resVal = GetValueFromNameValueList(&pdata, "errorCode");
+	if(resVal) {
+		ret = UPNPCOMMAND_UNKNOWN_ERROR;
+		sscanf(resVal, "%d", &ret);
+	} else {
+		char *p;
+
+		p = GetValueFromNameValueList(&pdata, "NewReservedPort");
+		if(p) {
+			strncpy(reservedPort, p, 6);
+			reservedPort[5] = '\0';
+			ret = UPNPCOMMAND_SUCCESS;
+		} else {
+			ret = UPNPCOMMAND_INVALID_RESPONSE;
+		}
+	}
+	ClearNameValueList(&pdata);
+	return ret;
+}
+
+MINIUPNP_LIBSPEC int
+UPNP_DeletePortMapping(const char * controlURL, const char * servicetype,
+                       const char * extPort, const char * proto,
+                       const char * remoteHost)
+{
+	/*struct NameValueParserData pdata;*/
+	struct UPNParg * DeletePortMappingArgs;
+	char * buffer;
+	int bufsize;
+	struct NameValueParserData pdata;
+	const char * resVal;
+	int ret;
+
+	if(!extPort || !proto)
+		return UPNPCOMMAND_INVALID_ARGS;
+
+	DeletePortMappingArgs = calloc(4, sizeof(struct UPNParg));
+	if(DeletePortMappingArgs == NULL)
+		return UPNPCOMMAND_MEM_ALLOC_ERROR;
+	DeletePortMappingArgs[0].elt = "NewRemoteHost";
+	DeletePortMappingArgs[0].val = remoteHost;
+	DeletePortMappingArgs[1].elt = "NewExternalPort";
+	DeletePortMappingArgs[1].val = extPort;
+	DeletePortMappingArgs[2].elt = "NewProtocol";
+	DeletePortMappingArgs[2].val = proto;
+	buffer = simpleUPnPcommand(-1, controlURL, servicetype,
+	                          "DeletePortMapping",
+	                          DeletePortMappingArgs, &bufsize);
+	free(DeletePortMappingArgs);
+	if(!buffer) {
+		return UPNPCOMMAND_HTTP_ERROR;
+	}
+	/*DisplayNameValueList(buffer, bufsize);*/
+	ParseNameValue(buffer, bufsize, &pdata);
+	free(buffer); buffer = NULL;
+	resVal = GetValueFromNameValueList(&pdata, "errorCode");
+	if(resVal) {
+		ret = UPNPCOMMAND_UNKNOWN_ERROR;
+		sscanf(resVal, "%d", &ret);
+	} else {
+		ret = UPNPCOMMAND_SUCCESS;
+	}
+	ClearNameValueList(&pdata);
+	return ret;
+}
+
+MINIUPNP_LIBSPEC int
+UPNP_DeletePortMappingRange(const char * controlURL, const char * servicetype,
+        		    const char * extPortStart, const char * extPortEnd,
+        		    const char * proto,
+			    const char * manage)
+{
+	struct UPNParg * DeletePortMappingArgs;
+	char * buffer;
+	int bufsize;
+	struct NameValueParserData pdata;
+	const char * resVal;
+	int ret;
+
+	if(!extPortStart || !extPortEnd || !proto || !manage)
+		return UPNPCOMMAND_INVALID_ARGS;
+
+	DeletePortMappingArgs = calloc(5, sizeof(struct UPNParg));
+	if(DeletePortMappingArgs == NULL)
+		return UPNPCOMMAND_MEM_ALLOC_ERROR;
+	DeletePortMappingArgs[0].elt = "NewStartPort";
+	DeletePortMappingArgs[0].val = extPortStart;
+	DeletePortMappingArgs[1].elt = "NewEndPort";
+	DeletePortMappingArgs[1].val = extPortEnd;
+	DeletePortMappingArgs[2].elt = "NewProtocol";
+	DeletePortMappingArgs[2].val = proto;
+	DeletePortMappingArgs[3].elt = "NewManage";
+	DeletePortMappingArgs[3].val = manage;
+
+	buffer = simpleUPnPcommand(-1, controlURL, servicetype,
+	                           "DeletePortMappingRange",
+	                           DeletePortMappingArgs, &bufsize);
+	free(DeletePortMappingArgs);
+	if(!buffer) {
+		return UPNPCOMMAND_HTTP_ERROR;
+	}
+	ParseNameValue(buffer, bufsize, &pdata);
+	free(buffer); buffer = NULL;
+	resVal = GetValueFromNameValueList(&pdata, "errorCode");
+	if(resVal) {
+		ret = UPNPCOMMAND_UNKNOWN_ERROR;
+		sscanf(resVal, "%d", &ret);
+	} else {
+		ret = UPNPCOMMAND_SUCCESS;
+	}
+	ClearNameValueList(&pdata);
+	return ret;
+}
+
+MINIUPNP_LIBSPEC int
+UPNP_GetGenericPortMappingEntry(const char * controlURL,
+                                const char * servicetype,
+							 const char * index,
+							 char * extPort,
+							 char * intClient,
+							 char * intPort,
+							 char * protocol,
+							 char * desc,
+							 char * enabled,
+							 char * rHost,
+							 char * duration)
+{
+	struct NameValueParserData pdata;
+	struct UPNParg * GetPortMappingArgs;
+	char * buffer;
+	int bufsize;
+	char * p;
+	int r = UPNPCOMMAND_UNKNOWN_ERROR;
+	if(!index)
+		return UPNPCOMMAND_INVALID_ARGS;
+	intClient[0] = '\0';
+	intPort[0] = '\0';
+	GetPortMappingArgs = calloc(2, sizeof(struct UPNParg));
+	if(GetPortMappingArgs == NULL)
+		return UPNPCOMMAND_MEM_ALLOC_ERROR;
+	GetPortMappingArgs[0].elt = "NewPortMappingIndex";
+	GetPortMappingArgs[0].val = index;
+	buffer = simpleUPnPcommand(-1, controlURL, servicetype,
+	                           "GetGenericPortMappingEntry",
+	                           GetPortMappingArgs, &bufsize);
+	free(GetPortMappingArgs);
+	if(!buffer) {
+		return UPNPCOMMAND_HTTP_ERROR;
+	}
+	ParseNameValue(buffer, bufsize, &pdata);
+	free(buffer); buffer = NULL;
+
+	p = GetValueFromNameValueList(&pdata, "NewRemoteHost");
+	if(p && rHost)
+	{
+		strncpy(rHost, p, 64);
+		rHost[63] = '\0';
+	}
+	p = GetValueFromNameValueList(&pdata, "NewExternalPort");
+	if(p && extPort)
+	{
+		strncpy(extPort, p, 6);
+		extPort[5] = '\0';
+		r = UPNPCOMMAND_SUCCESS;
+	}
+	p = GetValueFromNameValueList(&pdata, "NewProtocol");
+	if(p && protocol)
+	{
+		strncpy(protocol, p, 4);
+		protocol[3] = '\0';
+	}
+	p = GetValueFromNameValueList(&pdata, "NewInternalClient");
+	if(p)
+	{
+		strncpy(intClient, p, 16);
+		intClient[15] = '\0';
+		r = 0;
+	}
+	p = GetValueFromNameValueList(&pdata, "NewInternalPort");
+	if(p)
+	{
+		strncpy(intPort, p, 6);
+		intPort[5] = '\0';
+	}
+	p = GetValueFromNameValueList(&pdata, "NewEnabled");
+	if(p && enabled)
+	{
+		strncpy(enabled, p, 4);
+		enabled[3] = '\0';
+	}
+	p = GetValueFromNameValueList(&pdata, "NewPortMappingDescription");
+	if(p && desc)
+	{
+		strncpy(desc, p, 80);
+		desc[79] = '\0';
+	}
+	p = GetValueFromNameValueList(&pdata, "NewLeaseDuration");
+	if(p && duration)
+	{
+		strncpy(duration, p, 16);
+		duration[15] = '\0';
+	}
+	p = GetValueFromNameValueList(&pdata, "errorCode");
+	if(p) {
+		r = UPNPCOMMAND_UNKNOWN_ERROR;
+		sscanf(p, "%d", &r);
+	}
+	ClearNameValueList(&pdata);
+	return r;
+}
+
+MINIUPNP_LIBSPEC int
+UPNP_GetPortMappingNumberOfEntries(const char * controlURL,
+                                   const char * servicetype,
+                                   unsigned int * numEntries)
+{
+ 	struct NameValueParserData pdata;
+ 	char * buffer;
+ 	int bufsize;
+ 	char* p;
+	int ret = UPNPCOMMAND_UNKNOWN_ERROR;
+ 	if(!(buffer = simpleUPnPcommand(-1, controlURL, servicetype,
+	                                "GetPortMappingNumberOfEntries", 0,
+	                                &bufsize))) {
+		return UPNPCOMMAND_HTTP_ERROR;
+	}
+#ifdef DEBUG
+	DisplayNameValueList(buffer, bufsize);
+#endif
+ 	ParseNameValue(buffer, bufsize, &pdata);
+	free(buffer); buffer = NULL;
+
+ 	p = GetValueFromNameValueList(&pdata, "NewPortMappingNumberOfEntries");
+ 	if(numEntries && p) {
+		*numEntries = 0;
+ 		sscanf(p, "%u", numEntries);
+		ret = UPNPCOMMAND_SUCCESS;
+ 	}
+
+	p = GetValueFromNameValueList(&pdata, "errorCode");
+	if(p) {
+		ret = UPNPCOMMAND_UNKNOWN_ERROR;
+		sscanf(p, "%d", &ret);
+	}
+
+ 	ClearNameValueList(&pdata);
+	return ret;
+}
+
+/* UPNP_GetSpecificPortMappingEntry retrieves an existing port mapping
+ * the result is returned in the intClient and intPort strings
+ * please provide 16 and 6 bytes of data */
+MINIUPNP_LIBSPEC int
+UPNP_GetSpecificPortMappingEntry(const char * controlURL,
+                                 const char * servicetype,
+                                 const char * extPort,
+                                 const char * proto,
+                                 const char * remoteHost,
+                                 char * intClient,
+                                 char * intPort,
+                                 char * desc,
+                                 char * enabled,
+                                 char * leaseDuration)
+{
+	struct NameValueParserData pdata;
+	struct UPNParg * GetPortMappingArgs;
+	char * buffer;
+	int bufsize;
+	char * p;
+	int ret = UPNPCOMMAND_UNKNOWN_ERROR;
+
+	if(!intPort || !intClient || !extPort || !proto)
+		return UPNPCOMMAND_INVALID_ARGS;
+
+	GetPortMappingArgs = calloc(4, sizeof(struct UPNParg));
+	if(GetPortMappingArgs == NULL)
+		return UPNPCOMMAND_MEM_ALLOC_ERROR;
+	GetPortMappingArgs[0].elt = "NewRemoteHost";
+	GetPortMappingArgs[0].val = remoteHost;
+	GetPortMappingArgs[1].elt = "NewExternalPort";
+	GetPortMappingArgs[1].val = extPort;
+	GetPortMappingArgs[2].elt = "NewProtocol";
+	GetPortMappingArgs[2].val = proto;
+	buffer = simpleUPnPcommand(-1, controlURL, servicetype,
+	                           "GetSpecificPortMappingEntry",
+	                           GetPortMappingArgs, &bufsize);
+	free(GetPortMappingArgs);
+	if(!buffer) {
+		return UPNPCOMMAND_HTTP_ERROR;
+	}
+	/*DisplayNameValueList(buffer, bufsize);*/
+	ParseNameValue(buffer, bufsize, &pdata);
+	free(buffer); buffer = NULL;
+
+	p = GetValueFromNameValueList(&pdata, "NewInternalClient");
+	if(p) {
+		strncpy(intClient, p, 16);
+		intClient[15] = '\0';
+		ret = UPNPCOMMAND_SUCCESS;
+	} else
+		intClient[0] = '\0';
+
+	p = GetValueFromNameValueList(&pdata, "NewInternalPort");
+	if(p) {
+		strncpy(intPort, p, 6);
+		intPort[5] = '\0';
+	} else
+		intPort[0] = '\0';
+
+	p = GetValueFromNameValueList(&pdata, "NewEnabled");
+	if(p && enabled) {
+		strncpy(enabled, p, 4);
+		enabled[3] = '\0';
+	}
+
+	p = GetValueFromNameValueList(&pdata, "NewPortMappingDescription");
+	if(p && desc) {
+		strncpy(desc, p, 80);
+		desc[79] = '\0';
+	}
+
+	p = GetValueFromNameValueList(&pdata, "NewLeaseDuration");
+	if(p && leaseDuration)
+	{
+		strncpy(leaseDuration, p, 16);
+		leaseDuration[15] = '\0';
+	}
+
+	p = GetValueFromNameValueList(&pdata, "errorCode");
+	if(p) {
+		ret = UPNPCOMMAND_UNKNOWN_ERROR;
+		sscanf(p, "%d", &ret);
+	}
+
+	ClearNameValueList(&pdata);
+	return ret;
+}
+
+/* UPNP_GetListOfPortMappings()
+ *
+ * Possible UPNP Error codes :
+ * 606 Action not Authorized
+ * 730 PortMappingNotFound - no port mapping is found in the specified range.
+ * 733 InconsistantParameters - NewStartPort and NewEndPort values are not
+ *                              consistent.
+ */
+MINIUPNP_LIBSPEC int
+UPNP_GetListOfPortMappings(const char * controlURL,
+                           const char * servicetype,
+                           const char * startPort,
+                           const char * endPort,
+                           const char * protocol,
+                           const char * numberOfPorts,
+                           struct PortMappingParserData * data)
+{
+	struct NameValueParserData pdata;
+	struct UPNParg * GetListOfPortMappingsArgs;
+	const char * p;
+	char * buffer;
+	int bufsize;
+	int ret = UPNPCOMMAND_UNKNOWN_ERROR;
+
+	if(!startPort || !endPort || !protocol)
+		return UPNPCOMMAND_INVALID_ARGS;
+
+	GetListOfPortMappingsArgs = calloc(6, sizeof(struct UPNParg));
+	if(GetListOfPortMappingsArgs == NULL)
+		return UPNPCOMMAND_MEM_ALLOC_ERROR;
+	GetListOfPortMappingsArgs[0].elt = "NewStartPort";
+	GetListOfPortMappingsArgs[0].val = startPort;
+	GetListOfPortMappingsArgs[1].elt = "NewEndPort";
+	GetListOfPortMappingsArgs[1].val = endPort;
+	GetListOfPortMappingsArgs[2].elt = "NewProtocol";
+	GetListOfPortMappingsArgs[2].val = protocol;
+	GetListOfPortMappingsArgs[3].elt = "NewManage";
+	GetListOfPortMappingsArgs[3].val = "1";
+	GetListOfPortMappingsArgs[4].elt = "NewNumberOfPorts";
+	GetListOfPortMappingsArgs[4].val = numberOfPorts?numberOfPorts:"1000";
+
+	buffer = simpleUPnPcommand(-1, controlURL, servicetype,
+	                           "GetListOfPortMappings",
+	                           GetListOfPortMappingsArgs, &bufsize);
+	free(GetListOfPortMappingsArgs);
+	if(!buffer) {
+		return UPNPCOMMAND_HTTP_ERROR;
+	}
+
+	/*DisplayNameValueList(buffer, bufsize);*/
+	ParseNameValue(buffer, bufsize, &pdata);
+	free(buffer); buffer = NULL;
+
+	/*p = GetValueFromNameValueList(&pdata, "NewPortListing");*/
+	/*if(p) {
+		printf("NewPortListing : %s\n", p);
+	}*/
+	/*printf("NewPortListing(%d chars) : %s\n",
+	       pdata.portListingLength, pdata.portListing);*/
+	if(pdata.portListing)
+	{
+		/*struct PortMapping * pm;
+		int i = 0;*/
+		ParsePortListing(pdata.portListing, pdata.portListingLength,
+		                 data);
+		ret = UPNPCOMMAND_SUCCESS;
+		/*
+		for(pm = data->head.lh_first; pm != NULL; pm = pm->entries.le_next)
+		{
+			printf("%2d %s %5hu->%s:%-5hu '%s' '%s'\n",
+			       i, pm->protocol, pm->externalPort, pm->internalClient,
+			       pm->internalPort,
+			       pm->description, pm->remoteHost);
+			i++;
+		}
+		*/
+		/*FreePortListing(&data);*/
+	}
+
+	p = GetValueFromNameValueList(&pdata, "errorCode");
+	if(p) {
+		ret = UPNPCOMMAND_UNKNOWN_ERROR;
+		sscanf(p, "%d", &ret);
+	}
+	ClearNameValueList(&pdata);
+
+	/*printf("%.*s", bufsize, buffer);*/
+
+	return ret;
+}
+
+/* IGD:2, functions for service WANIPv6FirewallControl:1 */
+MINIUPNP_LIBSPEC int
+UPNP_GetFirewallStatus(const char * controlURL,
+				const char * servicetype,
+				int * firewallEnabled,
+				int * inboundPinholeAllowed)
+{
+	struct NameValueParserData pdata;
+	char * buffer;
+	int bufsize;
+	char * fe, *ipa, *p;
+	int ret = UPNPCOMMAND_UNKNOWN_ERROR;
+
+	if(!firewallEnabled || !inboundPinholeAllowed)
+		return UPNPCOMMAND_INVALID_ARGS;
+
+	buffer = simpleUPnPcommand(-1, controlURL, servicetype,
+	                           "GetFirewallStatus", 0, &bufsize);
+	if(!buffer) {
+		return UPNPCOMMAND_HTTP_ERROR;
+	}
+	ParseNameValue(buffer, bufsize, &pdata);
+	free(buffer); buffer = NULL;
+	fe = GetValueFromNameValueList(&pdata, "FirewallEnabled");
+	ipa = GetValueFromNameValueList(&pdata, "InboundPinholeAllowed");
+	if(ipa && fe)
+		ret = UPNPCOMMAND_SUCCESS;
+	if(fe)
+		*firewallEnabled = my_atoui(fe);
+	/*else
+		*firewallEnabled = 0;*/
+	if(ipa)
+		*inboundPinholeAllowed = my_atoui(ipa);
+	/*else
+		*inboundPinholeAllowed = 0;*/
+	p = GetValueFromNameValueList(&pdata, "errorCode");
+	if(p)
+	{
+		ret = UPNPCOMMAND_UNKNOWN_ERROR;
+		sscanf(p, "%d", &ret);
+	}
+	ClearNameValueList(&pdata);
+	return ret;
+}
+
+MINIUPNP_LIBSPEC int
+UPNP_GetOutboundPinholeTimeout(const char * controlURL, const char * servicetype,
+                    const char * remoteHost,
+                    const char * remotePort,
+                    const char * intClient,
+                    const char * intPort,
+                    const char * proto,
+                    int * opTimeout)
+{
+	struct UPNParg * GetOutboundPinholeTimeoutArgs;
+	char * buffer;
+	int bufsize;
+	struct NameValueParserData pdata;
+	const char * resVal;
+	char * p;
+	int ret;
+
+	if(!intPort || !intClient || !proto || !remotePort || !remoteHost)
+		return UPNPCOMMAND_INVALID_ARGS;
+
+	GetOutboundPinholeTimeoutArgs = calloc(6, sizeof(struct UPNParg));
+	if(GetOutboundPinholeTimeoutArgs == NULL)
+		return UPNPCOMMAND_MEM_ALLOC_ERROR;
+	GetOutboundPinholeTimeoutArgs[0].elt = "RemoteHost";
+	GetOutboundPinholeTimeoutArgs[0].val = remoteHost;
+	GetOutboundPinholeTimeoutArgs[1].elt = "RemotePort";
+	GetOutboundPinholeTimeoutArgs[1].val = remotePort;
+	GetOutboundPinholeTimeoutArgs[2].elt = "Protocol";
+	GetOutboundPinholeTimeoutArgs[2].val = proto;
+	GetOutboundPinholeTimeoutArgs[3].elt = "InternalPort";
+	GetOutboundPinholeTimeoutArgs[3].val = intPort;
+	GetOutboundPinholeTimeoutArgs[4].elt = "InternalClient";
+	GetOutboundPinholeTimeoutArgs[4].val = intClient;
+	buffer = simpleUPnPcommand(-1, controlURL, servicetype,
+	                           "GetOutboundPinholeTimeout", GetOutboundPinholeTimeoutArgs, &bufsize);
+	free(GetOutboundPinholeTimeoutArgs);
+	if(!buffer)
+		return UPNPCOMMAND_HTTP_ERROR;
+	ParseNameValue(buffer, bufsize, &pdata);
+	free(buffer); buffer = NULL;
+	resVal = GetValueFromNameValueList(&pdata, "errorCode");
+	if(resVal)
+	{
+		ret = UPNPCOMMAND_UNKNOWN_ERROR;
+		sscanf(resVal, "%d", &ret);
+	}
+	else
+	{
+		ret = UPNPCOMMAND_SUCCESS;
+		p = GetValueFromNameValueList(&pdata, "OutboundPinholeTimeout");
+		if(p)
+			*opTimeout = my_atoui(p);
+	}
+	ClearNameValueList(&pdata);
+	return ret;
+}
+
+MINIUPNP_LIBSPEC int
+UPNP_AddPinhole(const char * controlURL, const char * servicetype,
+                    const char * remoteHost,
+                    const char * remotePort,
+                    const char * intClient,
+                    const char * intPort,
+                    const char * proto,
+                    const char * leaseTime,
+                    char * uniqueID)
+{
+	struct UPNParg * AddPinholeArgs;
+	char * buffer;
+	int bufsize;
+	struct NameValueParserData pdata;
+	const char * resVal;
+	char * p;
+	int ret;
+
+	if(!intPort || !intClient || !proto || !remoteHost || !remotePort || !leaseTime)
+		return UPNPCOMMAND_INVALID_ARGS;
+
+	AddPinholeArgs = calloc(7, sizeof(struct UPNParg));
+	if(AddPinholeArgs == NULL)
+		return UPNPCOMMAND_MEM_ALLOC_ERROR;
+	/* RemoteHost can be wilcarded */
+	if(strncmp(remoteHost, "empty", 5)==0)
+	{
+		AddPinholeArgs[0].elt = "RemoteHost";
+		AddPinholeArgs[0].val = "";
+	}
+	else
+	{
+		AddPinholeArgs[0].elt = "RemoteHost";
+		AddPinholeArgs[0].val = remoteHost;
+	}
+	AddPinholeArgs[1].elt = "RemotePort";
+	AddPinholeArgs[1].val = remotePort;
+	AddPinholeArgs[2].elt = "Protocol";
+	AddPinholeArgs[2].val = proto;
+	AddPinholeArgs[3].elt = "InternalPort";
+	AddPinholeArgs[3].val = intPort;
+	if(strncmp(intClient, "empty", 5)==0)
+	{
+		AddPinholeArgs[4].elt = "InternalClient";
+		AddPinholeArgs[4].val = "";
+	}
+	else
+	{
+		AddPinholeArgs[4].elt = "InternalClient";
+		AddPinholeArgs[4].val = intClient;
+	}
+	AddPinholeArgs[5].elt = "LeaseTime";
+	AddPinholeArgs[5].val = leaseTime;
+	buffer = simpleUPnPcommand(-1, controlURL, servicetype,
+	                           "AddPinhole", AddPinholeArgs, &bufsize);
+	free(AddPinholeArgs);
+	if(!buffer)
+		return UPNPCOMMAND_HTTP_ERROR;
+	ParseNameValue(buffer, bufsize, &pdata);
+	free(buffer); buffer = NULL;
+	p = GetValueFromNameValueList(&pdata, "UniqueID");
+	if(p)
+	{
+		strncpy(uniqueID, p, 8);
+		uniqueID[7] = '\0';
+	}
+	resVal = GetValueFromNameValueList(&pdata, "errorCode");
+	if(resVal)
+	{
+		/*printf("AddPortMapping errorCode = '%s'\n", resVal);*/
+		ret = UPNPCOMMAND_UNKNOWN_ERROR;
+		sscanf(resVal, "%d", &ret);
+	}
+	else
+	{
+		ret = UPNPCOMMAND_SUCCESS;
+	}
+	ClearNameValueList(&pdata);
+	return ret;
+}
+
+MINIUPNP_LIBSPEC int
+UPNP_UpdatePinhole(const char * controlURL, const char * servicetype,
+                    const char * uniqueID,
+                    const char * leaseTime)
+{
+	struct UPNParg * UpdatePinholeArgs;
+	char * buffer;
+	int bufsize;
+	struct NameValueParserData pdata;
+	const char * resVal;
+	int ret;
+
+	if(!uniqueID || !leaseTime)
+		return UPNPCOMMAND_INVALID_ARGS;
+
+	UpdatePinholeArgs = calloc(3, sizeof(struct UPNParg));
+	if(UpdatePinholeArgs == NULL)
+		return UPNPCOMMAND_MEM_ALLOC_ERROR;
+	UpdatePinholeArgs[0].elt = "UniqueID";
+	UpdatePinholeArgs[0].val = uniqueID;
+	UpdatePinholeArgs[1].elt = "NewLeaseTime";
+	UpdatePinholeArgs[1].val = leaseTime;
+	buffer = simpleUPnPcommand(-1, controlURL, servicetype,
+	                           "UpdatePinhole", UpdatePinholeArgs, &bufsize);
+	free(UpdatePinholeArgs);
+	if(!buffer)
+		return UPNPCOMMAND_HTTP_ERROR;
+	ParseNameValue(buffer, bufsize, &pdata);
+	free(buffer); buffer = NULL;
+	resVal = GetValueFromNameValueList(&pdata, "errorCode");
+	if(resVal)
+	{
+		/*printf("AddPortMapping errorCode = '%s'\n", resVal); */
+		ret = UPNPCOMMAND_UNKNOWN_ERROR;
+		sscanf(resVal, "%d", &ret);
+	}
+	else
+	{
+		ret = UPNPCOMMAND_SUCCESS;
+	}
+	ClearNameValueList(&pdata);
+	return ret;
+}
+
+MINIUPNP_LIBSPEC int
+UPNP_DeletePinhole(const char * controlURL, const char * servicetype, const char * uniqueID)
+{
+	/*struct NameValueParserData pdata;*/
+	struct UPNParg * DeletePinholeArgs;
+	char * buffer;
+	int bufsize;
+	struct NameValueParserData pdata;
+	const char * resVal;
+	int ret;
+
+	if(!uniqueID)
+		return UPNPCOMMAND_INVALID_ARGS;
+
+	DeletePinholeArgs = calloc(2, sizeof(struct UPNParg));
+	if(DeletePinholeArgs == NULL)
+		return UPNPCOMMAND_MEM_ALLOC_ERROR;
+	DeletePinholeArgs[0].elt = "UniqueID";
+	DeletePinholeArgs[0].val = uniqueID;
+	buffer = simpleUPnPcommand(-1, controlURL, servicetype,
+	                           "DeletePinhole", DeletePinholeArgs, &bufsize);
+	free(DeletePinholeArgs);
+	if(!buffer)
+		return UPNPCOMMAND_HTTP_ERROR;
+	/*DisplayNameValueList(buffer, bufsize);*/
+	ParseNameValue(buffer, bufsize, &pdata);
+	free(buffer); buffer = NULL;
+	resVal = GetValueFromNameValueList(&pdata, "errorCode");
+	if(resVal)
+	{
+		ret = UPNPCOMMAND_UNKNOWN_ERROR;
+		sscanf(resVal, "%d", &ret);
+	}
+	else
+	{
+		ret = UPNPCOMMAND_SUCCESS;
+	}
+	ClearNameValueList(&pdata);
+	return ret;
+}
+
+MINIUPNP_LIBSPEC int
+UPNP_CheckPinholeWorking(const char * controlURL, const char * servicetype,
+                                 const char * uniqueID, int * isWorking)
+{
+	struct NameValueParserData pdata;
+	struct UPNParg * CheckPinholeWorkingArgs;
+	char * buffer;
+	int bufsize;
+	char * p;
+	int ret = UPNPCOMMAND_UNKNOWN_ERROR;
+
+	if(!uniqueID)
+		return UPNPCOMMAND_INVALID_ARGS;
+
+	CheckPinholeWorkingArgs = calloc(4, sizeof(struct UPNParg));
+	if(CheckPinholeWorkingArgs == NULL)
+		return UPNPCOMMAND_MEM_ALLOC_ERROR;
+	CheckPinholeWorkingArgs[0].elt = "UniqueID";
+	CheckPinholeWorkingArgs[0].val = uniqueID;
+	buffer = simpleUPnPcommand(-1, controlURL, servicetype,
+	                           "CheckPinholeWorking", CheckPinholeWorkingArgs, &bufsize);
+	free(CheckPinholeWorkingArgs);
+	if(!buffer)
+	{
+		return UPNPCOMMAND_HTTP_ERROR;
+	}
+	ParseNameValue(buffer, bufsize, &pdata);
+	free(buffer); buffer = NULL;
+
+	p = GetValueFromNameValueList(&pdata, "IsWorking");
+	if(p)
+	{
+		*isWorking=my_atoui(p);
+		ret = UPNPCOMMAND_SUCCESS;
+	}
+	else
+		*isWorking = 0;
+
+	p = GetValueFromNameValueList(&pdata, "errorCode");
+	if(p)
+	{
+		ret = UPNPCOMMAND_UNKNOWN_ERROR;
+		sscanf(p, "%d", &ret);
+	}
+
+	ClearNameValueList(&pdata);
+	return ret;
+}
+
+MINIUPNP_LIBSPEC int
+UPNP_GetPinholePackets(const char * controlURL, const char * servicetype,
+                                 const char * uniqueID, int * packets)
+{
+	struct NameValueParserData pdata;
+	struct UPNParg * GetPinholePacketsArgs;
+	char * buffer;
+	int bufsize;
+	char * p;
+	int ret = UPNPCOMMAND_UNKNOWN_ERROR;
+
+	if(!uniqueID)
+		return UPNPCOMMAND_INVALID_ARGS;
+
+	GetPinholePacketsArgs = calloc(4, sizeof(struct UPNParg));
+	if(GetPinholePacketsArgs == NULL)
+		return UPNPCOMMAND_MEM_ALLOC_ERROR;
+	GetPinholePacketsArgs[0].elt = "UniqueID";
+	GetPinholePacketsArgs[0].val = uniqueID;
+	buffer = simpleUPnPcommand(-1, controlURL, servicetype,
+	                           "GetPinholePackets", GetPinholePacketsArgs, &bufsize);
+	free(GetPinholePacketsArgs);
+	if(!buffer)
+		return UPNPCOMMAND_HTTP_ERROR;
+	ParseNameValue(buffer, bufsize, &pdata);
+	free(buffer); buffer = NULL;
+
+	p = GetValueFromNameValueList(&pdata, "PinholePackets");
+	if(p)
+	{
+		*packets=my_atoui(p);
+		ret = UPNPCOMMAND_SUCCESS;
+	}
+
+	p = GetValueFromNameValueList(&pdata, "errorCode");
+	if(p)
+	{
+		ret = UPNPCOMMAND_UNKNOWN_ERROR;
+		sscanf(p, "%d", &ret);
+	}
+
+	ClearNameValueList(&pdata);
+	return ret;
+}
+
+
diff --git a/thirdparty/miniupnpc/upnpcommands.h b/thirdparty/miniupnpc/upnpcommands.h
new file mode 100644
index 0000000000..0c6d501666
--- /dev/null
+++ b/thirdparty/miniupnpc/upnpcommands.h
@@ -0,0 +1,348 @@
+/* $Id: upnpcommands.h,v 1.32 2018/03/13 23:34:47 nanard Exp $ */
+/* Miniupnp project : http://miniupnp.free.fr/
+ * Author : Thomas Bernard
+ * Copyright (c) 2005-2018 Thomas Bernard
+ * This software is subject to the conditions detailed in the
+ * LICENCE file provided within this distribution */
+#ifndef UPNPCOMMANDS_H_INCLUDED
+#define UPNPCOMMANDS_H_INCLUDED
+
+#include "miniupnpc_declspec.h"
+#include "miniupnpctypes.h"
+
+/* MiniUPnPc return codes : */
+#define UPNPCOMMAND_SUCCESS (0)
+#define UPNPCOMMAND_UNKNOWN_ERROR (-1)
+#define UPNPCOMMAND_INVALID_ARGS (-2)
+#define UPNPCOMMAND_HTTP_ERROR (-3)
+#define UPNPCOMMAND_INVALID_RESPONSE (-4)
+#define UPNPCOMMAND_MEM_ALLOC_ERROR (-5)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct PortMappingParserData;
+
+MINIUPNP_LIBSPEC UNSIGNED_INTEGER
+UPNP_GetTotalBytesSent(const char * controlURL,
+					const char * servicetype);
+
+MINIUPNP_LIBSPEC UNSIGNED_INTEGER
+UPNP_GetTotalBytesReceived(const char * controlURL,
+						const char * servicetype);
+
+MINIUPNP_LIBSPEC UNSIGNED_INTEGER
+UPNP_GetTotalPacketsSent(const char * controlURL,
+					const char * servicetype);
+
+MINIUPNP_LIBSPEC UNSIGNED_INTEGER
+UPNP_GetTotalPacketsReceived(const char * controlURL,
+					const char * servicetype);
+
+/* UPNP_GetStatusInfo()
+ * status and lastconnerror are 64 byte buffers
+ * Return values :
+ * UPNPCOMMAND_SUCCESS, UPNPCOMMAND_INVALID_ARGS, UPNPCOMMAND_UNKNOWN_ERROR
+ * or a UPnP Error code */
+MINIUPNP_LIBSPEC int
+UPNP_GetStatusInfo(const char * controlURL,
+			       const char * servicetype,
+				   char * status,
+				   unsigned int * uptime,
+                   char * lastconnerror);
+
+/* UPNP_GetConnectionTypeInfo()
+ * argument connectionType is a 64 character buffer
+ * Return Values :
+ * UPNPCOMMAND_SUCCESS, UPNPCOMMAND_INVALID_ARGS, UPNPCOMMAND_UNKNOWN_ERROR
+ * or a UPnP Error code */
+MINIUPNP_LIBSPEC int
+UPNP_GetConnectionTypeInfo(const char * controlURL,
+                           const char * servicetype,
+						   char * connectionType);
+
+/* UPNP_GetExternalIPAddress() call the corresponding UPNP method.
+ * if the third arg is not null the value is copied to it.
+ * at least 16 bytes must be available
+ *
+ * Return values :
+ * 0 : SUCCESS
+ * NON ZERO : ERROR Either an UPnP error code or an unknown error.
+ *
+ * possible UPnP Errors :
+ * 402 Invalid Args - See UPnP Device Architecture section on Control.
+ * 501 Action Failed - See UPnP Device Architecture section on Control. */
+MINIUPNP_LIBSPEC int
+UPNP_GetExternalIPAddress(const char * controlURL,
+                          const char * servicetype,
+                          char * extIpAdd);
+
+/* UPNP_GetLinkLayerMaxBitRates()
+ * call WANCommonInterfaceConfig:1#GetCommonLinkProperties
+ *
+ * return values :
+ * UPNPCOMMAND_SUCCESS, UPNPCOMMAND_INVALID_ARGS, UPNPCOMMAND_UNKNOWN_ERROR
+ * or a UPnP Error Code. */
+MINIUPNP_LIBSPEC int
+UPNP_GetLinkLayerMaxBitRates(const char* controlURL,
+							const char* servicetype,
+							unsigned int * bitrateDown,
+							unsigned int * bitrateUp);
+
+/* UPNP_AddPortMapping()
+ * if desc is NULL, it will be defaulted to "libminiupnpc"
+ * remoteHost is usually NULL because IGD don't support it.
+ *
+ * Return values :
+ * 0 : SUCCESS
+ * NON ZERO : ERROR. Either an UPnP error code or an unknown error.
+ *
+ * List of possible UPnP errors for AddPortMapping :
+ * errorCode errorDescription (short) - Description (long)
+ * 402 Invalid Args - See UPnP Device Architecture section on Control.
+ * 501 Action Failed - See UPnP Device Architecture section on Control.
+ * 606 Action not authorized - The action requested REQUIRES authorization and
+ *                             the sender was not authorized.
+ * 715 WildCardNotPermittedInSrcIP - The source IP address cannot be
+ *                                   wild-carded
+ * 716 WildCardNotPermittedInExtPort - The external port cannot be wild-carded
+ * 718 ConflictInMappingEntry - The port mapping entry specified conflicts
+ *                     with a mapping assigned previously to another client
+ * 724 SamePortValuesRequired - Internal and External port values
+ *                              must be the same
+ * 725 OnlyPermanentLeasesSupported - The NAT implementation only supports
+ *                  permanent lease times on port mappings
+ * 726 RemoteHostOnlySupportsWildcard - RemoteHost must be a wildcard
+ *                             and cannot be a specific IP address or DNS name
+ * 727 ExternalPortOnlySupportsWildcard - ExternalPort must be a wildcard and
+ *                                        cannot be a specific port value
+ * 728 NoPortMapsAvailable - There are not enough free ports available to
+ *                           complete port mapping.
+ * 729 ConflictWithOtherMechanisms - Attempted port mapping is not allowed
+ *                                   due to conflict with other mechanisms.
+ * 732 WildCardNotPermittedInIntPort - The internal port cannot be wild-carded
+ */
+MINIUPNP_LIBSPEC int
+UPNP_AddPortMapping(const char * controlURL, const char * servicetype,
+		    const char * extPort,
+		    const char * inPort,
+		    const char * inClient,
+		    const char * desc,
+		    const char * proto,
+		    const char * remoteHost,
+		    const char * leaseDuration);
+
+/* UPNP_AddAnyPortMapping()
+ * if desc is NULL, it will be defaulted to "libminiupnpc"
+ * remoteHost is usually NULL because IGD don't support it.
+ *
+ * Return values :
+ * 0 : SUCCESS
+ * NON ZERO : ERROR. Either an UPnP error code or an unknown error.
+ *
+ * List of possible UPnP errors for AddPortMapping :
+ * errorCode errorDescription (short) - Description (long)
+ * 402 Invalid Args - See UPnP Device Architecture section on Control.
+ * 501 Action Failed - See UPnP Device Architecture section on Control.
+ * 606 Action not authorized - The action requested REQUIRES authorization and
+ *                             the sender was not authorized.
+ * 715 WildCardNotPermittedInSrcIP - The source IP address cannot be
+ *                                   wild-carded
+ * 716 WildCardNotPermittedInExtPort - The external port cannot be wild-carded
+ * 728 NoPortMapsAvailable - There are not enough free ports available to
+ *                           complete port mapping.
+ * 729 ConflictWithOtherMechanisms - Attempted port mapping is not allowed
+ *                                   due to conflict with other mechanisms.
+ * 732 WildCardNotPermittedInIntPort - The internal port cannot be wild-carded
+ */
+MINIUPNP_LIBSPEC int
+UPNP_AddAnyPortMapping(const char * controlURL, const char * servicetype,
+		       const char * extPort,
+		       const char * inPort,
+		       const char * inClient,
+		       const char * desc,
+		       const char * proto,
+		       const char * remoteHost,
+		       const char * leaseDuration,
+		       char * reservedPort);
+
+/* UPNP_DeletePortMapping()
+ * Use same argument values as what was used for AddPortMapping().
+ * remoteHost is usually NULL because IGD don't support it.
+ * Return Values :
+ * 0 : SUCCESS
+ * NON ZERO : error. Either an UPnP error code or an undefined error.
+ *
+ * List of possible UPnP errors for DeletePortMapping :
+ * 402 Invalid Args - See UPnP Device Architecture section on Control.
+ * 606 Action not authorized - The action requested REQUIRES authorization
+ *                             and the sender was not authorized.
+ * 714 NoSuchEntryInArray - The specified value does not exist in the array */
+MINIUPNP_LIBSPEC int
+UPNP_DeletePortMapping(const char * controlURL, const char * servicetype,
+		       const char * extPort, const char * proto,
+		       const char * remoteHost);
+
+/* UPNP_DeletePortRangeMapping()
+ * Use same argument values as what was used for AddPortMapping().
+ * remoteHost is usually NULL because IGD don't support it.
+ * Return Values :
+ * 0 : SUCCESS
+ * NON ZERO : error. Either an UPnP error code or an undefined error.
+ *
+ * List of possible UPnP errors for DeletePortMapping :
+ * 606 Action not authorized - The action requested REQUIRES authorization
+ *                             and the sender was not authorized.
+ * 730 PortMappingNotFound - This error message is returned if no port
+ *			     mapping is found in the specified range.
+ * 733 InconsistentParameters - NewStartPort and NewEndPort values are not consistent. */
+MINIUPNP_LIBSPEC int
+UPNP_DeletePortMappingRange(const char * controlURL, const char * servicetype,
+        		    const char * extPortStart, const char * extPortEnd,
+        		    const char * proto,
+        		    const char * manage);
+
+/* UPNP_GetPortMappingNumberOfEntries()
+ * not supported by all routers */
+MINIUPNP_LIBSPEC int
+UPNP_GetPortMappingNumberOfEntries(const char* controlURL,
+                                   const char* servicetype,
+                                   unsigned int * num);
+
+/* UPNP_GetSpecificPortMappingEntry()
+ *    retrieves an existing port mapping
+ * params :
+ *  in   extPort
+ *  in   proto
+ *  in   remoteHost
+ *  out  intClient (16 bytes)
+ *  out  intPort (6 bytes)
+ *  out  desc (80 bytes)
+ *  out  enabled (4 bytes)
+ *  out  leaseDuration (16 bytes)
+ *
+ * return value :
+ * UPNPCOMMAND_SUCCESS, UPNPCOMMAND_INVALID_ARGS, UPNPCOMMAND_UNKNOWN_ERROR
+ * or a UPnP Error Code.
+ *
+ * List of possible UPnP errors for _GetSpecificPortMappingEntry :
+ * 402 Invalid Args - See UPnP Device Architecture section on Control.
+ * 501 Action Failed - See UPnP Device Architecture section on Control.
+ * 606 Action not authorized - The action requested REQUIRES authorization
+ *                             and the sender was not authorized.
+ * 714 NoSuchEntryInArray - The specified value does not exist in the array.
+ */
+MINIUPNP_LIBSPEC int
+UPNP_GetSpecificPortMappingEntry(const char * controlURL,
+                                 const char * servicetype,
+                                 const char * extPort,
+                                 const char * proto,
+                                 const char * remoteHost,
+                                 char * intClient,
+                                 char * intPort,
+                                 char * desc,
+                                 char * enabled,
+                                 char * leaseDuration);
+
+/* UPNP_GetGenericPortMappingEntry()
+ * params :
+ *  in   index
+ *  out  extPort (6 bytes)
+ *  out  intClient (16 bytes)
+ *  out  intPort (6 bytes)
+ *  out  protocol (4 bytes)
+ *  out  desc (80 bytes)
+ *  out  enabled (4 bytes)
+ *  out  rHost (64 bytes)
+ *  out  duration (16 bytes)
+ *
+ * return value :
+ * UPNPCOMMAND_SUCCESS, UPNPCOMMAND_INVALID_ARGS, UPNPCOMMAND_UNKNOWN_ERROR
+ * or a UPnP Error Code.
+ *
+ * Possible UPNP Error codes :
+ * 402 Invalid Args - See UPnP Device Architecture section on Control.
+ * 606 Action not authorized - The action requested REQUIRES authorization
+ *                             and the sender was not authorized.
+ * 713 SpecifiedArrayIndexInvalid - The specified array index is out of bounds
+ */
+MINIUPNP_LIBSPEC int
+UPNP_GetGenericPortMappingEntry(const char * controlURL,
+                                const char * servicetype,
+								const char * index,
+								char * extPort,
+								char * intClient,
+								char * intPort,
+								char * protocol,
+								char * desc,
+								char * enabled,
+								char * rHost,
+								char * duration);
+
+/* UPNP_GetListOfPortMappings()      Available in IGD v2
+ *
+ *
+ * Possible UPNP Error codes :
+ * 606 Action not Authorized
+ * 730 PortMappingNotFound - no port mapping is found in the specified range.
+ * 733 InconsistantParameters - NewStartPort and NewEndPort values are not
+ *                              consistent.
+ */
+MINIUPNP_LIBSPEC int
+UPNP_GetListOfPortMappings(const char * controlURL,
+                           const char * servicetype,
+                           const char * startPort,
+                           const char * endPort,
+                           const char * protocol,
+                           const char * numberOfPorts,
+                           struct PortMappingParserData * data);
+
+/* IGD:2, functions for service WANIPv6FirewallControl:1 */
+MINIUPNP_LIBSPEC int
+UPNP_GetFirewallStatus(const char * controlURL,
+				const char * servicetype,
+				int * firewallEnabled,
+				int * inboundPinholeAllowed);
+
+MINIUPNP_LIBSPEC int
+UPNP_GetOutboundPinholeTimeout(const char * controlURL, const char * servicetype,
+                    const char * remoteHost,
+                    const char * remotePort,
+                    const char * intClient,
+                    const char * intPort,
+                    const char * proto,
+                    int * opTimeout);
+
+MINIUPNP_LIBSPEC int
+UPNP_AddPinhole(const char * controlURL, const char * servicetype,
+                    const char * remoteHost,
+                    const char * remotePort,
+                    const char * intClient,
+                    const char * intPort,
+                    const char * proto,
+                    const char * leaseTime,
+                    char * uniqueID);
+
+MINIUPNP_LIBSPEC int
+UPNP_UpdatePinhole(const char * controlURL, const char * servicetype,
+                    const char * uniqueID,
+                    const char * leaseTime);
+
+MINIUPNP_LIBSPEC int
+UPNP_DeletePinhole(const char * controlURL, const char * servicetype, const char * uniqueID);
+
+MINIUPNP_LIBSPEC int
+UPNP_CheckPinholeWorking(const char * controlURL, const char * servicetype,
+                                 const char * uniqueID, int * isWorking);
+
+MINIUPNP_LIBSPEC int
+UPNP_GetPinholePackets(const char * controlURL, const char * servicetype,
+                                 const char * uniqueID, int * packets);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
diff --git a/thirdparty/miniupnpc/upnpdev.c b/thirdparty/miniupnpc/upnpdev.c
new file mode 100644
index 0000000000..d89a9934c3
--- /dev/null
+++ b/thirdparty/miniupnpc/upnpdev.c
@@ -0,0 +1,23 @@
+/* $Id: upnpdev.c,v 1.1 2015/08/28 12:14:19 nanard Exp $ */
+/* Project : miniupnp
+ * Web : http://miniupnp.free.fr/
+ * Author : Thomas BERNARD
+ * copyright (c) 2005-2015 Thomas Bernard
+ * This software is subjet to the conditions detailed in the
+ * provided LICENSE file. */
+#include <stdlib.h>
+#include "upnpdev.h"
+
+/* freeUPNPDevlist() should be used to
+ * free the chained list returned by upnpDiscover() */
+void freeUPNPDevlist(struct UPNPDev * devlist)
+{
+	struct UPNPDev * next;
+	while(devlist)
+	{
+		next = devlist->pNext;
+		free(devlist);
+		devlist = next;
+	}
+}
+
diff --git a/thirdparty/miniupnpc/upnpdev.h b/thirdparty/miniupnpc/upnpdev.h
new file mode 100644
index 0000000000..f4ae174426
--- /dev/null
+++ b/thirdparty/miniupnpc/upnpdev.h
@@ -0,0 +1,36 @@
+/* $Id: upnpdev.h,v 1.1 2015/08/28 12:14:19 nanard Exp $ */
+/* Project : miniupnp
+ * Web : http://miniupnp.free.fr/
+ * Author : Thomas BERNARD
+ * copyright (c) 2005-2018 Thomas Bernard
+ * This software is subjet to the conditions detailed in the
+ * provided LICENSE file. */
+#ifndef UPNPDEV_H_INCLUDED
+#define UPNPDEV_H_INCLUDED
+
+#include "miniupnpc_declspec.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct UPNPDev {
+	struct UPNPDev * pNext;
+	char * descURL;
+	char * st;
+	char * usn;
+	unsigned int scope_id;
+	char buffer[3];
+};
+
+/* freeUPNPDevlist()
+ * free list returned by upnpDiscover() */
+MINIUPNP_LIBSPEC void freeUPNPDevlist(struct UPNPDev * devlist);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* UPNPDEV_H_INCLUDED */
diff --git a/thirdparty/miniupnpc/upnperrors.c b/thirdparty/miniupnpc/upnperrors.c
new file mode 100644
index 0000000000..40a2e7857f
--- /dev/null
+++ b/thirdparty/miniupnpc/upnperrors.c
@@ -0,0 +1,107 @@
+/* $Id: upnperrors.c,v 1.5 2011/04/10 11:19:36 nanard Exp $ */
+/* Project : miniupnp
+ * Author : Thomas BERNARD
+ * copyright (c) 2007 Thomas Bernard
+ * All Right reserved.
+ * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
+ * This software is subjet to the conditions detailed in the
+ * provided LICENCE file. */
+#include <string.h>
+#include "upnperrors.h"
+#include "upnpcommands.h"
+#include "miniupnpc.h"
+
+const char * strupnperror(int err)
+{
+	const char * s = NULL;
+	switch(err) {
+	case UPNPCOMMAND_SUCCESS:
+		s = "Success";
+		break;
+	case UPNPCOMMAND_UNKNOWN_ERROR:
+		s = "Miniupnpc Unknown Error";
+		break;
+	case UPNPCOMMAND_INVALID_ARGS:
+		s = "Miniupnpc Invalid Arguments";
+		break;
+	case UPNPCOMMAND_INVALID_RESPONSE:
+		s = "Miniupnpc Invalid response";
+		break;
+	case UPNPDISCOVER_SOCKET_ERROR:
+		s = "Miniupnpc Socket error";
+		break;
+	case UPNPDISCOVER_MEMORY_ERROR:
+		s = "Miniupnpc Memory allocation error";
+		break;
+	case 401:
+		s = "Invalid Action";
+		break;
+	case 402:
+		s = "Invalid Args";
+		break;
+	case 501:
+		s = "Action Failed";
+		break;
+	case 606:
+		s = "Action not authorized";
+		break;
+	case 701:
+		s = "PinholeSpaceExhausted";
+		break;
+	case 702:
+		s = "FirewallDisabled";
+		break;
+	case 703:
+		s = "InboundPinholeNotAllowed";
+		break;
+	case 704:
+		s = "NoSuchEntry";
+		break;
+	case 705:
+		s = "ProtocolNotSupported";
+		break;
+	case 706:
+		s = "InternalPortWildcardingNotAllowed";
+		break;
+	case 707:
+		s = "ProtocolWildcardingNotAllowed";
+		break;
+	case 708:
+		s = "WildcardNotPermittedInSrcIP";
+		break;
+	case 709:
+		s = "NoPacketSent";
+		break;
+	case 713:
+		s = "SpecifiedArrayIndexInvalid";
+		break;
+	case 714:
+		s = "NoSuchEntryInArray";
+		break;
+	case 715:
+		s = "WildCardNotPermittedInSrcIP";
+		break;
+	case 716:
+		s = "WildCardNotPermittedInExtPort";
+		break;
+	case 718:
+		s = "ConflictInMappingEntry";
+		break;
+	case 724:
+		s = "SamePortValuesRequired";
+		break;
+	case 725:
+		s = "OnlyPermanentLeasesSupported";
+		break;
+	case 726:
+		s = "RemoteHostOnlySupportsWildcard";
+		break;
+	case 727:
+		s = "ExternalPortOnlySupportsWildcard";
+		break;
+	default:
+		s = "UnknownError";
+		break;
+	}
+	return s;
+}
diff --git a/thirdparty/miniupnpc/upnperrors.h b/thirdparty/miniupnpc/upnperrors.h
new file mode 100644
index 0000000000..8499d9a1c9
--- /dev/null
+++ b/thirdparty/miniupnpc/upnperrors.h
@@ -0,0 +1,26 @@
+/* $Id: upnperrors.h,v 1.2 2008/07/02 23:31:15 nanard Exp $ */
+/* (c) 2007-2015 Thomas Bernard
+ * All rights reserved.
+ * MiniUPnP Project.
+ * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
+ * This software is subjet to the conditions detailed in the
+ * provided LICENCE file. */
+#ifndef UPNPERRORS_H_INCLUDED
+#define UPNPERRORS_H_INCLUDED
+
+#include "miniupnpc_declspec.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* strupnperror()
+ * Return a string description of the UPnP error code
+ * or NULL for undefinded errors */
+MINIUPNP_LIBSPEC const char * strupnperror(int err);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/thirdparty/miniupnpc/upnpreplyparse.c b/thirdparty/miniupnpc/upnpreplyparse.c
new file mode 100644
index 0000000000..68a47c0278
--- /dev/null
+++ b/thirdparty/miniupnpc/upnpreplyparse.c
@@ -0,0 +1,196 @@
+/* $Id: upnpreplyparse.c,v 1.19 2015/07/15 10:29:11 nanard Exp $ */
+/* vim: tabstop=4 shiftwidth=4 noexpandtab
+ * MiniUPnP project
+ * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
+ * (c) 2006-2017 Thomas Bernard
+ * This software is subject to the conditions detailed
+ * in the LICENCE file provided within the distribution */
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "upnpreplyparse.h"
+#include "minixml.h"
+
+static void
+NameValueParserStartElt(void * d, const char * name, int l)
+{
+	struct NameValueParserData * data = (struct NameValueParserData *)d;
+	data->topelt = 1;
+    if(l>63)
+        l = 63;
+    memcpy(data->curelt, name, l);
+    data->curelt[l] = '\0';
+	data->cdata = NULL;
+	data->cdatalen = 0;
+}
+
+static void
+NameValueParserEndElt(void * d, const char * name, int namelen)
+{
+    struct NameValueParserData * data = (struct NameValueParserData *)d;
+    struct NameValue * nv;
+	(void)name;
+	(void)namelen;
+	if(!data->topelt)
+		return;
+	if(strcmp(data->curelt, "NewPortListing") != 0)
+	{
+		int l;
+		/* standard case. Limited to n chars strings */
+		l = data->cdatalen;
+	    nv = malloc(sizeof(struct NameValue));
+		if(nv == NULL)
+		{
+			/* malloc error */
+#ifdef DEBUG
+			fprintf(stderr, "%s: error allocating memory",
+			        "NameValueParserEndElt");
+#endif /* DEBUG */
+			return;
+		}
+	    if(l>=(int)sizeof(nv->value))
+	        l = sizeof(nv->value) - 1;
+	    strncpy(nv->name, data->curelt, 64);
+		nv->name[63] = '\0';
+		if(data->cdata != NULL)
+		{
+			memcpy(nv->value, data->cdata, l);
+			nv->value[l] = '\0';
+		}
+		else
+		{
+			nv->value[0] = '\0';
+		}
+		nv->l_next = data->l_head;	/* insert in list */
+		data->l_head = nv;
+	}
+	data->cdata = NULL;
+	data->cdatalen = 0;
+	data->topelt = 0;
+}
+
+static void
+NameValueParserGetData(void * d, const char * datas, int l)
+{
+    struct NameValueParserData * data = (struct NameValueParserData *)d;
+	if(strcmp(data->curelt, "NewPortListing") == 0)
+	{
+		/* specific case for NewPortListing which is a XML Document */
+		data->portListing = malloc(l + 1);
+		if(!data->portListing)
+		{
+			/* malloc error */
+#ifdef DEBUG
+			fprintf(stderr, "%s: error allocating memory",
+			        "NameValueParserGetData");
+#endif /* DEBUG */
+			return;
+		}
+		memcpy(data->portListing, datas, l);
+		data->portListing[l] = '\0';
+		data->portListingLength = l;
+	}
+	else
+	{
+		/* standard case. */
+		data->cdata = datas;
+		data->cdatalen = l;
+	}
+}
+
+void
+ParseNameValue(const char * buffer, int bufsize,
+               struct NameValueParserData * data)
+{
+	struct xmlparser parser;
+	memset(data, 0, sizeof(struct NameValueParserData));
+	/* init xmlparser object */
+	parser.xmlstart = buffer;
+	parser.xmlsize = bufsize;
+	parser.data = data;
+	parser.starteltfunc = NameValueParserStartElt;
+	parser.endeltfunc = NameValueParserEndElt;
+	parser.datafunc = NameValueParserGetData;
+	parser.attfunc = 0;
+	parsexml(&parser);
+}
+
+void
+ClearNameValueList(struct NameValueParserData * pdata)
+{
+    struct NameValue * nv;
+	if(pdata->portListing)
+	{
+		free(pdata->portListing);
+		pdata->portListing = NULL;
+		pdata->portListingLength = 0;
+	}
+    while((nv = pdata->l_head) != NULL)
+    {
+		pdata->l_head = nv->l_next;
+        free(nv);
+    }
+}
+
+char *
+GetValueFromNameValueList(struct NameValueParserData * pdata,
+                          const char * Name)
+{
+    struct NameValue * nv;
+    char * p = NULL;
+    for(nv = pdata->l_head;
+        (nv != NULL) && (p == NULL);
+        nv = nv->l_next)
+    {
+        if(strcmp(nv->name, Name) == 0)
+            p = nv->value;
+    }
+    return p;
+}
+
+#if 0
+/* useless now that minixml ignores namespaces by itself */
+char *
+GetValueFromNameValueListIgnoreNS(struct NameValueParserData * pdata,
+                                  const char * Name)
+{
+	struct NameValue * nv;
+	char * p = NULL;
+	char * pname;
+	for(nv = pdata->head.lh_first;
+	    (nv != NULL) && (p == NULL);
+		nv = nv->entries.le_next)
+	{
+		pname = strrchr(nv->name, ':');
+		if(pname)
+			pname++;
+		else
+			pname = nv->name;
+		if(strcmp(pname, Name)==0)
+			p = nv->value;
+	}
+	return p;
+}
+#endif
+
+/* debug all-in-one function
+ * do parsing then display to stdout */
+#ifdef DEBUG
+void
+DisplayNameValueList(char * buffer, int bufsize)
+{
+    struct NameValueParserData pdata;
+    struct NameValue * nv;
+    ParseNameValue(buffer, bufsize, &pdata);
+    for(nv = pdata.l_head;
+        nv != NULL;
+        nv = nv->l_next)
+    {
+        printf("%s = %s\n", nv->name, nv->value);
+    }
+    ClearNameValueList(&pdata);
+}
+#endif /* DEBUG */
+
diff --git a/thirdparty/miniupnpc/upnpreplyparse.h b/thirdparty/miniupnpc/upnpreplyparse.h
new file mode 100644
index 0000000000..6badd15b26
--- /dev/null
+++ b/thirdparty/miniupnpc/upnpreplyparse.h
@@ -0,0 +1,63 @@
+/* $Id: upnpreplyparse.h,v 1.19 2014/10/27 16:33:19 nanard Exp $ */
+/* MiniUPnP project
+ * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
+ * (c) 2006-2013 Thomas Bernard
+ * This software is subject to the conditions detailed
+ * in the LICENCE file provided within the distribution */
+
+#ifndef UPNPREPLYPARSE_H_INCLUDED
+#define UPNPREPLYPARSE_H_INCLUDED
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct NameValue {
+	struct NameValue * l_next;
+	char name[64];
+	char value[128];
+};
+
+struct NameValueParserData {
+	struct NameValue * l_head;
+	char curelt[64];
+	char * portListing;
+	int portListingLength;
+	int topelt;
+	const char * cdata;
+	int cdatalen;
+};
+
+/* ParseNameValue() */
+void
+ParseNameValue(const char * buffer, int bufsize,
+               struct NameValueParserData * data);
+
+/* ClearNameValueList() */
+void
+ClearNameValueList(struct NameValueParserData * pdata);
+
+/* GetValueFromNameValueList() */
+char *
+GetValueFromNameValueList(struct NameValueParserData * pdata,
+                          const char * Name);
+
+#if 0
+/* GetValueFromNameValueListIgnoreNS() */
+char *
+GetValueFromNameValueListIgnoreNS(struct NameValueParserData * pdata,
+                                  const char * Name);
+#endif
+
+/* DisplayNameValueList() */
+#ifdef DEBUG
+void
+DisplayNameValueList(char * buffer, int bufsize);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+